Updated html head and favicon

static/img/favicon/favicon.svg

@@ -0,0 +1,14 @@
+<svg xmlns="http://www.w3.org/2000/svg" version="1.1" xmlns:xlink="http://www.w3.org/1999/xlink" width="1000" height="1000"><svg id="SvgjsSvg1050" viewBox="0 0 1000 1000" xmlns="http://www.w3.org/2000/svg">
+    <circle cx="500" cy="500" r="500" fill="#0080FF"></circle>
+    <g fill="#FFFFFF">
+        <rect x="425" y="250" width="50" height="500"></rect>
+		<rect x="525" y="250" width="50" height="500"></rect>
+        <rect x="200" y="250" width="250" height="50"></rect>
+        <rect x="200" y="475" width="250" height="50"></rect>
+        <rect x="200" y="700" width="250" height="50"></rect>
+        <rect x="550" y="250" width="250" height="50"></rect>
+        <rect x="550" y="475" width="250" height="50"></rect>
+    </g>
+</svg><style>@media (prefers-color-scheme: light) { :root { filter: none; } }
+@media (prefers-color-scheme: dark) { :root { filter: none; } }
+</style></svg>

static/img/favicon/site.webmanifest

@@ -0,0 +1,19 @@
+{
+  "icons": [
+    {
+      "src": "https://static.eliasfink.de/img/favicon/web-app-manifest-192x192.png",
+      "sizes": "192x192",
+      "type": "image/png",
+      "purpose": "maskable"
+    },
+    {
+      "src": "https://static.eliasfink.de/img/favicon/web-app-manifest-512x512.png",
+      "sizes": "512x512",
+      "type": "image/png",
+      "purpose": "maskable"
+    }
+  ],
+  "theme_color": "#ffffff",
+  "background_color": "#ffffff",
+  "display": "standalone"
+}