Added template concept

js/template/Template.js

@@ -0,0 +1,22 @@
+export default class Template {
+
+    /**
+     * Computes the html content of the target element.
+     * @param {HTMLElement} element Target element 
+     * @returns The computed html 
+     */
+    render(element) {
+        return ``
+    }
+
+    /**
+     * Returns the html elements rendered by this template.
+     * @param {HTMLElement} element Target element
+     * @returns The rendered elements
+     */
+    getElements(element) {
+        let aDiv = document.createElement('div')
+        aDiv.innerHTML = this.render(element)
+        return aDiv.childNodes
+    }
+}