templates: correct path to home at index.html

templates/index.html

@@ -33,7 +33,7 @@
             <nav class="navbar bg-dark">
                 <div class="container-fluid">
                     <div>
-                        <a class="navbar-brand" href="./">
+                        <a class="navbar-brand" href="/">
                             <img src="{{ url_for('static', filename='images/ardupilot_logo.png')}}" alt="ArduPilot" height="24"
                                 class="d-inline-block align-text-top">
                             <span class="ms-2 text-white" style="font-size: 25px;">Custom Firmware Builder</span>