4: Adding modern templates and preparing for remote usage

el.js

@@ -0,0 +1,28 @@
+class Index extends HTMLElement {
+
+    css = /*css*/ `
+        index-el {
+
+        }
+    `
+
+    html = /*html*/ `
+
+    `
+
+    constructor() {
+        super();
+        
+        addStyle(this.css);
+        this.innerHTML = this.html;
+    }
+
+    connectedCallback() {
+
+    }
+
+}
+
+customElements.define('index-el', Index);
+export default Index;
+