update tsconfig not to pick up hand-authored .d.ts

Author: silviuaavram

tsconfig.json

@@ -20,5 +20,6 @@
       "*": ["*"]
     }
   },
-  "include": ["src/**/*.ts", "src/**/*.tsx", "typings/index.d.ts"]
+  "include": ["src/**/*.ts", "src/**/*.tsx"],
+  "exclude": ["dist", "typings"]
 }