fix(package): add ts-loader since we removed the awesome-typescript-loader

Author: joshuawilson

package.json

@@ -186,6 +186,7 @@
     "stylus": "0.54.5",
     "to-string-loader": "1.1.5",
     "ts-helpers": "1.1.2",
+    "ts-loader": "4.4.2",
     "ts-node": "7.0.0",
     "tslint": "5.11.0",
     "tslint-loader": "3.6.0",