fix: basic hamburger menu button

assets/controllers/hamburger_controller.js

@@ -0,0 +1,48 @@
+import { Controller } from '@hotwired/stimulus';
+
+/*
+* The following line makes this controller "lazy": it won't be downloaded until needed
+* See https://symfony.com/bundles/StimulusBundle/current/index.html#lazy-stimulus-controllers
+*/
+
+/* stimulusFetch: 'lazy' */
+export default class extends Controller {
+    static outlets = ['navbar']
+
+    initialize() {
+        // Called once when the controller is first instantiated (per element)
+
+        // Here you can initialize variables, create scoped callables for event
+        // listeners, instantiate external libraries, etc.
+        // this._fooBar = this.fooBar.bind(this)
+    }
+
+    connect() {
+        // Called every time the controller is connected to the DOM
+        // (on page load, when it's added to the DOM, moved in the DOM, etc.)
+
+        // Here you can add event listeners on the element or target elements,
+        // add or remove classes, attributes, dispatch custom events, etc.
+        // this.fooTarget.addEventListener('click', this._fooBar)
+    }
+
+    navbarOutletConnected(outlet) {
+        console.log(outlet)
+    }
+
+    toggleMenu() {
+        console.log(this.navbarOutlet);
+        this.navbarOutlet.toggle();
+    }
+
+    // Add custom controller actions here
+    // fooBar() { this.fooTarget.classList.toggle(this.bazClass) }
+
+    disconnect() {
+        // Called anytime its element is disconnected from the DOM
+        // (on page change, when it's removed from or moved in the DOM, etc.)
+
+        // Here you should remove all event listeners added in "connect()" 
+        // this.fooTarget.removeEventListener('click', this._fooBar)
+    }
+}