Added "yarn ship" command

no issue

- @todo: add the ability to draft a release when running `yarn ship`

package.json

@@ -15,7 +15,9 @@
     "scripts": {
         "dev": "gulp",
         "zip": "gulp zip",
-        "test": "gscan ."
+        "test": "gscan .",
+        "preship": "yarn test",
+        "ship": "STATUS=$(git status --porcelain); echo $STATUS; if [ -z \"$STATUS\" ]; then yarn version && git push --follow-tags; fi"
     },
     "author": {
         "name": "Ghost Foundation",