Demonstrate a simple Webpack setup (#5185)

docs/samples/webpack-getting-started/webpack.config.js

@@ -0,0 +1,51 @@
+const path = require('path');
+const HtmlWebpackPlugin = require('html-webpack-plugin');
+const CleanWebpackPlugin = require('clean-webpack-plugin');
+const CopyWebpackPlugin = require('copy-webpack-plugin');
+
+const outputPath = path.resolve(__dirname, 'dist');
+
+module.exports = {
+  mode: 'development',
+  entry: {
+    app: './src/index.js',
+  },
+  module: {
+    rules: [
+      {
+        test: /\.yaml$/,
+        use: [
+          { loader: 'json-loader' },
+          { loader: 'yaml-loader' }
+        ]
+      },
+      {
+        test: /\.css$/,
+        use: [
+          { loader: 'style-loader' },
+          { loader: 'css-loader' },
+        ]
+      }
+    ]
+  },
+  plugins: [
+    new CleanWebpackPlugin([
+      outputPath
+    ]),
+    new CopyWebpackPlugin([
+      {
+        // Copy the Swagger OAuth2 redirect file to the project root;
+        // that file handles the OAuth2 redirect after authenticating the end-user.
+        from: 'node_modules/swagger-ui/dist/oauth2-redirect.html',
+        to: './'
+      }
+    ]),
+    new HtmlWebpackPlugin({
+      template: 'index.html'
+    })
+  ],
+  output: {
+    filename: '[name].bundle.js',
+    path: outputPath,
+  }
+};