feat: add style and title

public/components/hello-world.js

@@ -12,6 +12,8 @@ export default class HelloWorld extends WebComponent {
       this.name = `I was clicked ${++count} times`;
       this.render();
     };
+    this.style.cursor = "pointer";
+    this.setAttribute("title", "Click me please");
   }
 
   get template() {