Update tsconfig.json

Author: JBWatenbergScality

tsconfig.json

@@ -13,9 +13,10 @@
     "rootDir": "src",
     "strict": true,
     "forceConsistentCasingInFileNames": true,
-    "importHelpers": true
+    "importHelpers": true,
     // enable this when it works with tslint, or we switch to prettier
     // "declarationMap": true
+    "types": ["js-yaml", "node", "request", "underscore", "ws", "byline", "chai", "chai-as-promised", "mocha", "mock-fs", "stream-buffers"]
   },
   "exclude": [
     "node_modules",