diff --git a/yarn.lock b/yarn.lock
index 9f2e935..203ff6e 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -322,7 +322,7 @@ bindings@^1.5.0:
 
 bl@^1.0.0:
   version "1.2.2"
-  resolved "http://registry.npmjs.org/bl/-/bl-1.2.2.tgz#a160911717103c07410cef63ef51b397c025af9c"
+  resolved "https://registry.npmjs.org/bl/-/bl-1.2.2.tgz#a160911717103c07410cef63ef51b397c025af9c"
   dependencies:
     readable-stream "^2.3.5"
     safe-buffer "^5.1.1"
@@ -336,7 +336,7 @@ bl@~0.9.0:
 
 bl@~1.1.2:
   version "1.1.2"
-  resolved "http://registry.npmjs.org/bl/-/bl-1.1.2.tgz#fdca871a99713aa00d19e3bbba41c44787a65398"
+  resolved "https://registry.npmjs.org/bl/-/bl-1.1.2.tgz#fdca871a99713aa00d19e3bbba41c44787a65398"
   dependencies:
     readable-stream "~2.0.5"
 
@@ -589,7 +589,7 @@ center-align@^0.1.1:
 
 chalk@^1.0.0, chalk@^1.1.1:
   version "1.1.3"
-  resolved "http://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
+  resolved "https://registry.npmjs.org/chalk/-/chalk-1.1.3.tgz#a8115c55e4a702fe4d150abd3872822a7e09fc98"
   dependencies:
     ansi-styles "^2.2.1"
     escape-string-regexp "^1.0.2"
@@ -632,7 +632,7 @@ chmodr@~0.1.0:
 
 chmodr@~1.0.2:
   version "1.0.2"
-  resolved "http://registry.npmjs.org/chmodr/-/chmodr-1.0.2.tgz#04662b932d0f02ec66deaa2b0ea42811968e3eb9"
+  resolved "https://registry.npmjs.org/chmodr/-/chmodr-1.0.2.tgz#04662b932d0f02ec66deaa2b0ea42811968e3eb9"
 
 chokidar@^1.0.0:
   version "1.7.0"
@@ -677,7 +677,7 @@ chownr@^1.0.1:
 
 chownr@~1.0.1:
   version "1.0.1"
-  resolved "http://registry.npmjs.org/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
+  resolved "https://registry.npmjs.org/chownr/-/chownr-1.0.1.tgz#e2a75042a9551908bebd25b8523d5f9769d79181"
 
 class-utils@^0.3.5:
   version "0.3.6"
@@ -773,7 +773,7 @@ columnify@~1.5.4:
 
 combined-stream@1.0.6:
   version "1.0.6"
-  resolved "http://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
+  resolved "https://registry.npmjs.org/combined-stream/-/combined-stream-1.0.6.tgz#723e7df6e801ac5613113a7e445a9b69cb632818"
   dependencies:
     delayed-stream "~1.0.0"
 
@@ -1688,7 +1688,7 @@ genfun@^4.0.1:
 
 get-stream@^3.0.0:
   version "3.0.0"
-  resolved "http://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz#8e943d1358dc37555054ecbe2edb05aa174ede14"
+  resolved "https://registry.npmjs.org/get-stream/-/get-stream-3.0.0.tgz#8e943d1358dc37555054ecbe2edb05aa174ede14"
 
 get-value@^2.0.3, get-value@^2.0.6:
   version "2.0.6"
@@ -1938,7 +1938,7 @@ glob@~7.0.6:
 
 got@^6.7.1:
   version "6.7.1"
-  resolved "http://registry.npmjs.org/got/-/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
+  resolved "https://registry.npmjs.org/got/-/got-6.7.1.tgz#240cd05785a9a18e561dc1b44b41c763ef1e8db0"
   dependencies:
     create-error-class "^3.0.0"
     duplexer3 "^0.1.4"
@@ -2299,7 +2299,7 @@ is-buffer@^1.1.5:
 
 is-builtin-module@^1.0.0:
   version "1.0.0"
-  resolved "http://registry.npmjs.org/is-builtin-module/-/is-builtin-module-1.0.0.tgz#540572d34f7ac3119f8f76c30cbc1b1e037affbe"
+  resolved "https://registry.npmjs.org/is-builtin-module/-/is-builtin-module-1.0.0.tgz#540572d34f7ac3119f8f76c30cbc1b1e037affbe"
   dependencies:
     builtin-modules "^1.0.0"
 
@@ -2425,7 +2425,7 @@ is-number@^4.0.0:
 
 is-obj@^1.0.0:
   version "1.0.1"
-  resolved "http://registry.npmjs.org/is-obj/-/is-obj-1.0.1.tgz#3e4729ac1f5fde025cd7d83a896dab9f4f67db0f"
+  resolved "https://registry.npmjs.org/is-obj/-/is-obj-1.0.1.tgz#3e4729ac1f5fde025cd7d83a896dab9f4f67db0f"
 
 is-plain-object@^2.0.3, is-plain-object@^2.0.4:
   version "2.0.4"
@@ -2706,7 +2706,7 @@ lodash@3.10.1, lodash@^3.10.1, lodash@^3.2.0:
 
 lodash@4.17.4:
   version "4.17.4"
-  resolved "http://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
+  resolved "https://registry.npmjs.org/lodash/-/lodash-4.17.4.tgz#78203a4d1c328ae1d86dca6460e369b57f4055ae"
 
 lodash@^4.17.10:
   version "4.17.11"
@@ -2944,15 +2944,15 @@ minimatch@~0.2.12:
 
 minimist@0.0.8:
   version "0.0.8"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.8.tgz#857fcabfc3397d2625b8228262e86aa7a011b05d"
 
 minimist@^1.2.0:
   version "1.2.0"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-1.2.0.tgz#a35008b20f41383eec1fb914f4cd5df79a264284"
 
 minimist@~0.0.1:
   version "0.0.10"
-  resolved "http://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
+  resolved "https://registry.npmjs.org/minimist/-/minimist-0.0.10.tgz#de3f98543dbf96082be48ad1a0c7cda836301dcf"
 
 mississippi@^1.2.0, mississippi@^1.3.0, mississippi@~1.3.0:
   version "1.3.1"
@@ -2994,7 +2994,7 @@ mixin-deep@^1.2.0:
 
 "mkdirp@>=0.5 0", mkdirp@^0.5.0, mkdirp@^0.5.1, mkdirp@~0.5.0, mkdirp@~0.5.1:
   version "0.5.1"
-  resolved "http://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
+  resolved "https://registry.npmjs.org/mkdirp/-/mkdirp-0.5.1.tgz#30057438eac6cf7f8c4767f38648d6697d75c903"
   dependencies:
     minimist "0.0.8"
 
@@ -4102,7 +4102,7 @@ read@1, read@~1.0.1, read@~1.0.4, read@~1.0.7:
 
 "readable-stream@1 || 2", readable-stream@^2.0.0, readable-stream@^2.0.2, readable-stream@^2.0.4, readable-stream@^2.0.6, readable-stream@^2.1.5, readable-stream@^2.2.2, readable-stream@^2.3.0, readable-stream@^2.3.5, readable-stream@~2.3.2:
   version "2.3.6"
-  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.3.6.tgz#b11c27d88b8ff1fbe070643cf94b0c79ae1b0aaf"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.3"
@@ -4147,7 +4147,7 @@ readable-stream@~1.0.26, readable-stream@~1.0.26-2, readable-stream@~1.0.33:
 
 readable-stream@~1.1, readable-stream@~1.1.10:
   version "1.1.14"
-  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-1.1.14.tgz#7cf4c54ef648e3813084c636dd2079e166c081d9"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.1"
@@ -4156,7 +4156,7 @@ readable-stream@~1.1, readable-stream@~1.1.10:
 
 readable-stream@~2.0.5:
   version "2.0.6"
-  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.0.6.tgz#8f90341e68a53ccc928788dacfcd11b36eb9b78e"
   dependencies:
     core-util-is "~1.0.0"
     inherits "~2.0.1"
@@ -4167,7 +4167,7 @@ readable-stream@~2.0.5:
 
 readable-stream@~2.1.5:
   version "2.1.5"
-  resolved "http://registry.npmjs.org/readable-stream/-/readable-stream-2.1.5.tgz#66fa8b720e1438b364681f2ad1a63c618448c9d0"
+  resolved "https://registry.npmjs.org/readable-stream/-/readable-stream-2.1.5.tgz#66fa8b720e1438b364681f2ad1a63c618448c9d0"
   dependencies:
     buffer-shims "^1.0.0"
     core-util-is "~1.0.0"
@@ -4364,7 +4364,7 @@ request@^2.74.0:
 
 request@~2.74.0:
   version "2.74.0"
-  resolved "http://registry.npmjs.org/request/-/request-2.74.0.tgz#7693ca768bbb0ea5c8ce08c084a45efa05b892ab"
+  resolved "https://registry.npmjs.org/request/-/request-2.74.0.tgz#7693ca768bbb0ea5c8ce08c084a45efa05b892ab"
   dependencies:
     aws-sign2 "~0.6.0"
     aws4 "^1.2.1"
@@ -4439,7 +4439,7 @@ rimraf@~2.2.8:
 
 rimraf@~2.5.4:
   version "2.5.4"
-  resolved "http://registry.npmjs.org/rimraf/-/rimraf-2.5.4.tgz#96800093cbf1a0c86bd95b4625467535c29dfa04"
+  resolved "https://registry.npmjs.org/rimraf/-/rimraf-2.5.4.tgz#96800093cbf1a0c86bd95b4625467535c29dfa04"
   dependencies:
     glob "^7.0.5"
 
@@ -4477,7 +4477,7 @@ semver-diff@^2.0.0:
 
 "semver@2 >=2.2.1 || 3.x || 4", "semver@2 || 3 || 4", "semver@2.x || 3.x || 4", semver@4, semver@^4.1.0:
   version "4.3.6"
-  resolved "http://registry.npmjs.org/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
+  resolved "https://registry.npmjs.org/semver/-/semver-4.3.6.tgz#300bc6e0e86374f7ba61068b5b1ecd57fc6532da"
 
 "semver@2 >=2.2.1 || 3.x || 4 || 5", "semver@2 || 3 || 4 || 5", "semver@2.x || 3.x || 4 || 5", "semver@4 || 5", "semver@^2.3.0 || 3.x || 4 || 5", semver@^5.0.3, semver@^5.1.0, semver@^5.3.0, semver@^5.5.0:
   version "5.6.0"
@@ -4490,7 +4490,7 @@ semver@5.0.1:
 
 semver@5.3.0, semver@~5.3.0:
   version "5.3.0"
-  resolved "http://registry.npmjs.org/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
+  resolved "https://registry.npmjs.org/semver/-/semver-5.3.0.tgz#9b2ce5d3de02d17c6012ad326aa6b4d0cf54f94f"
 
 semver@~4.2.0:
   version "4.2.2"
@@ -4499,7 +4499,7 @@ semver@~4.2.0:
 
 semver@~5.1.0:
   version "5.1.1"
-  resolved "http://registry.npmjs.org/semver/-/semver-5.1.1.tgz#a3292a373e6f3e0798da0b20641b9a9c5bc47e19"
+  resolved "https://registry.npmjs.org/semver/-/semver-5.1.1.tgz#a3292a373e6f3e0798da0b20641b9a9c5bc47e19"
 
 send@GitbookIO/send#9081de9cb0fc85d60e871685f252c98db764cb55:
   version "0.2.0"
@@ -4698,7 +4698,7 @@ spdx-license-ids@^3.0.0:
 
 spdx-license-ids@~1.2.2:
   version "1.2.2"
-  resolved "http://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-1.2.2.tgz#c9df7a3424594ade6bd11900d596696dc06bac57"
+  resolved "https://registry.npmjs.org/spdx-license-ids/-/spdx-license-ids-1.2.2.tgz#c9df7a3424594ade6bd11900d596696dc06bac57"
 
 split-string@^3.0.1, split-string@^3.0.2:
   version "3.1.0"
@@ -4807,7 +4807,7 @@ strip-ansi@^2.0.0:
 
 strip-ansi@^3.0.0, strip-ansi@^3.0.1, strip-ansi@~3.0.1:
   version "3.0.1"
-  resolved "http://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
+  resolved "https://registry.npmjs.org/strip-ansi/-/strip-ansi-3.0.1.tgz#6a385fb8853d952d5ff05d0e8aaf94278dc63dcf"
   dependencies:
     ansi-regex "^2.0.0"
 
@@ -4897,7 +4897,7 @@ through2@^2.0.0:
 
 "through@>=2.2.7 <3":
   version "2.3.8"
-  resolved "http://registry.npmjs.org/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
+  resolved "https://registry.npmjs.org/through/-/through-2.3.8.tgz#0dd4c9ffaabc357960b1b724115d7e0e86a2e1f5"
 
 timed-out@^4.0.0:
   version "4.0.1"
@@ -5315,8 +5315,9 @@ xmlhttprequest@~1.6.0:
   resolved "https://registry.yarnpkg.com/xtend/-/xtend-4.0.1.tgz#a5c6d532be656e23db820efb943a1f04998d63af"
 
 y18n@^3.2.1:
-  version "3.2.1"
-  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.1.tgz#6d15fba884c08679c0d77e88e7759e811e07fa41"
+  version "3.2.2"
+  resolved "https://registry.yarnpkg.com/y18n/-/y18n-3.2.2.tgz#85c901bd6470ce71fc4bb723ad209b70f7f28696"
+  integrity sha512-uGZHXkHnhF0XeeAPgnKfPv1bgKAYyVvmNL1xlKsPYZPaIHxGti2hHqvOCQv71XMsLxu1QjergkqogUnms5D3YQ==
 
 y18n@^4.0.0:
   version "4.0.0"