chore: add banner

Author: Kamil Kisiela

webpack/dist.js

@@ -1,9 +1,18 @@
+var webpack = require('webpack');
 var build = require('./build')('dist');
+var pkg = require('../package.json');
 
 module.exports = {
     entry: build.entry,
     output: build.output(),
     module: {
         loaders: build.loaders()
-    }
+    },
+    plugins: [
+        new webpack.BannerPlugin(pkg.name + " JavaScript Library v" + pkg.version + "\n" +
+            "\n" +
+            "@license MIT (http://license.angular-formly.com)\n" +
+            "\n" +
+            "built with ♥ by " + pkg.author)
+    ]
 };

webpack/prod.js

@@ -1,5 +1,6 @@
 var webpack = require('webpack');
 var build = require('./build')('prod');
+var pkg = require('../package.json');
 
 module.exports = {
     entry: build.entry,
@@ -9,6 +10,7 @@ module.exports = {
         loaders: build.loaders()
     },
     plugins: [
-        new webpack.optimize.UglifyJsPlugin()
+        new webpack.optimize.UglifyJsPlugin(),
+        new webpack.BannerPlugin(pkg.name + " JavaScript Library v" + pkg.version + " | MIT | built with ♥ by " + pkg.author)
     ]
 };