tried getting pwa to work

Signed-off-by: OmegaRogue <thatomegarogue@gmail.com>

css/pwa.css

@@ -0,0 +1,19 @@
+.hidden {
+    display: none !important;
+}
+
+#installContainer {
+    position: absolute;
+    bottom: 1em;
+    display: flex;
+    justify-content: center;
+    width: 100%;
+}
+
+#installContainer button {
+    background-color: inherit;
+    border: 1px solid white;
+    color: white;
+    font-size: 1em;
+    padding: 0.75em;
+}

index.html

@@ -6,6 +6,7 @@
     <link rel="stylesheet" href="css/spectre.min.css">
     <link rel="stylesheet" href="css/spectre-exp.min.css">
     <link rel="stylesheet" href="css/spectre-icons.min.css">
+    <link rel="stylesheet" href="css/pwa.css">
     <link rel="apple-touch-icon" sizes="180x180" href="/apple-touch-icon.png">
     <link rel="icon" type="image/png" sizes="32x32" href="/favicon-32x32.png">
     <link rel="icon" type="image/png" sizes="16x16" href="/favicon-16x16.png">
@@ -62,8 +63,19 @@
           <button class="btn btn-primary input-group-btn">Search</button>
         </div>
       </section>-->
+      <p id="requireHTTPS" class="hidden">
+        <b>STOP!</b> This page <b>must</b> be served over HTTPS.
+        Please <a>reload this page via HTTPS</a>.
+      </p>
     </header>
 
+    <!-- Install button, hidden by default -->
+    <div id="installContainer" class="hidden">
+      <button id="butInstall" type="button">
+        Install
+      </button>
+    </div>
+
     <div class="container" style="padding-top:4px">
       <p><b>Note:</b> If you have a version of Bangle.js firmware before 2v04, please update to the <a href="https://www.espruino.com/Bangle.js#firmware-updates" target="_blank">latest firmware</a> or
         <a href="https://banglejs.com/oldapps/">use the legacy app loader</a>.

site.webmanifest

@@ -17,6 +17,5 @@
     "theme_color": "#5755d9",
     "background_color": "#5755d9",
     "display": "standalone",
-    "start_url": "/",
-    "scope": "/"
+    "start_url": "https://omegavoid.github.io/"
 }