Added application insights types

Author: estruyf

package.json

@@ -14,15 +14,15 @@
     "karma": "karma start --circle true"
   },
   "dependencies": {
-    "applicationinsights-js": "1.0.14"
+    "applicationinsights-js": "1.0.14",
+    "@types/applicationinsights-js": "1.0.5"
   },
   "devDependencies": {
     "@microsoft/sp-build-web": "~1.3.0",
     "@microsoft/sp-core-library": "~1.3.0",
     "@microsoft/sp-module-interfaces": "~1.3.0",
     "@microsoft/sp-webpart-base": "~1.3.0",
     "@microsoft/sp-webpart-workbench": "~1.3.0",
-    "@types/applicationinsights-js": "^1.0.5",
     "@types/chai": ">=3.4.34 <3.6.0",
     "@types/enzyme": "2.8.7",
     "@types/mocha": ">=2.2.33 <2.6.0",