feat(docs): make webpack-getting-started more universal (#7191)

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

@@ -8,7 +8,10 @@ const outputPath = path.resolve(__dirname, 'dist');
 module.exports = {
   mode: 'development',
   entry: {
-    app: './src/index.js',
+    app: require.resolve('./src/index'),
+  },
+  resolve: {
+    extensions: ['.ts', '.js'],
   },
   module: {
     rules: [
@@ -36,7 +39,7 @@ module.exports = {
       {
         // 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',
+        from: require.resolve('swagger-ui/dist/oauth2-redirect.html'),
         to: './'
       }
     ]),