attempt allowing insecure requests to http api

index.html

@@ -5,6 +5,7 @@
     <meta charset="UTF-8">
     <meta name="viewport" content="width=device-width, initial-scale=1.0">
     <title>Bus tijden</title>
+    <meta http-equiv="Content-Security-Policy" content="upgrade-insecure-requests"> 
     <script src="https://unpkg.com/vue@3/dist/vue.global.js"></script>
     <script src="https://cdn.tailwindcss.com"></script>
     <script>