Actualizar 'app.js'

app.js

@@ -1,8 +1,12 @@
 import { Layout } from "./components/layout.js"
 import { Page } from "./components/page.js"
+import { Header } from "./components/header.js"
+import { NavMenu } from "./components/nav-menu.js"
 
 customElements.define('m-layout', Layout)
 customElements.define('m-page', Page)
+customElements.define('m-header', Header)
+customElements.define('m-nav-menu', NavMenu)
 
 class Setup {
   async run() {