Merge pull request #27 from csvenke/build/typescript-upgrade

* chore(package): upgrade typescript to 3.0 (#25)

Author: csvenke

package-lock.json

@@ -68,7 +68,7 @@
     "tslint-plugin-prettier": "^1.3.0",
     "tslint-react": "^3.6.0",
     "tslint": "^5.11.0",
-    "typescript": "^2.9.2",
+    "typescript": "^3.0.1",
     "webpack": "^4.16.2"
   },
   "scripts": {