fix(bower): Change main in bower to a relative filepath

This fixes wiredep not being able to find main bower file.

Author: John Lomma

bower.json

@@ -7,7 +7,7 @@
     "Astrism <[email protected]>",
     "Kent C. Dodds <[email protected]>"
   ],
-  "main": "dist/angular-formly-templates-bootstrap.js",
+  "main": "./dist/angular-formly-templates-bootstrap.js",
   "description": "Angular-Formly plugin which outputs bootstrap compatible form fields.",
   "keywords": [
     "AngularJs",