Update bower.json

bower.json

 {
   "name": "bootstrap",
   "version": "3.0.0",
-  "main": ["./docs/assets/js/bootstrap.js", "./docs/assets/css/bootstrap.css"],
+  "main": ["./dist/js/bootstrap.min.js", "./dist/js/bootstrap.js", "./dist/css/bootstrap.min.css", "./dist/css/bootstrap.css"],
   "ignore": [
       "**/.*"
   ],