fix mobile menu

js/burgerMenu.js

-function handleBurger(){
+document.querySelector("#burgerMenu").onclick = () => {
     document.getElementById("burgerMenu").classList.toggle("change");
     document.getElementById("mainMenuContainer").classList.toggle("visible");
 

public/internal/menu.php

@@ -5,7 +5,7 @@ function getMenu($page){
     $status = $page == "status" ? "class=\"menueSelected\"" : "";
 
     return <<<EOF
-    <div id="burgerMenu" onclick="handleBurger()">
+    <div id="burgerMenu">
       <div class="bar1"></div>
       <div class="bar2"></div>
       <div class="bar3"></div>