Add worker loader to the examples

examples/webpack/worker-loader.js

@@ -0,0 +1,16 @@
+const build = require('../../tasks/serialize-workers').build;
+
+function loader() {
+  const callback = this.async();
+
+  build(this.resource, {minify: false})
+    .then(chunk => {
+      for (const filePath in chunk.modules) {
+        this.addDependency(filePath);
+      }
+      callback(null, chunk.code);
+    })
+    .catch(callback);
+}
+
+module.exports = loader;