Update the fork-ts-checker-webpack-plugin version to 0.5.0 to fix the wmonk#245

Author: Nemanja Milosaviljevic

package.json

@@ -32,7 +32,7 @@
     "dotenv-expand": "4.2.0",
     "extract-text-webpack-plugin": "3.0.2",
     "file-loader": "1.1.5",
-    "fork-ts-checker-webpack-plugin": "^0.2.8",
+    "fork-ts-checker-webpack-plugin": "^0.5.0",
     "fs-extra": "3.0.1",
     "html-webpack-plugin": "2.29.0",
     "jest": "20.0.4",