docs(aio): add examples to test cookbook doc

docs/content/examples/webpack/ts-snippets/webpack.config.snippets.ts

@@ -0,0 +1,58 @@
+/* tslint:disable */
+// #docregion one-entry
+entry: {
+  app: 'src/app.ts'
+}
+// #enddocregion one-entry
+
+// #docregion app-example
+import { Component } from '@angular/core';
+
+@Component({
+  ...
+})
+export class AppComponent {}
+// #enddocregion app-example
+
+// #docregion one-output
+output: {
+  filename: 'app.js'
+}
+// #enddocregion one-output
+
+// #docregion two-entries
+entry: {
+  app: 'src/app.ts',
+  vendor: 'src/vendor.ts'
+},
+
+output: {
+  filename: '[name].js'
+}
+// #enddocregion two-entries
+
+// #docregion loaders
+rules: [
+  {
+    test: /\.ts$/
+    loader: 'awesome-typescript-loader'
+  },
+  {
+    test: /\.css$/
+    loaders: 'style-loader!css-loader'
+  }
+]
+// #enddocregion loaders
+
+// #docregion imports
+// #docregion single-import
+import { AppComponent } from './app.component.ts';
+// #enddocregion single-import
+import 'uiframework/dist/uiframework.css';
+// #enddocregion imports
+
+// #docregion plugins
+plugins: [
+  new webpack.optimize.UglifyJsPlugin()
+]
+// #enddocregion plugins