Added missing example file

src/test/resources/js.js

@@ -0,0 +1,8 @@
+// Similar example as inlined, but this is a separate file
+// This approach is useful when you have larger
+// javascript code that you want to keep in a separate file
+setTimeout(() => {${serverElement}.style.color = "red";}, 4000);
+
+var p = document.createElement("p");
+p.textContent = "Hello, I'm coming through js.js file in resources. specialparameter1: $specialparameter1";
+this.appendChild(p);