update:metadata stuff

static/assets/favicon/icon.svg

@@ -0,0 +1,23 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32" width="32" height="32">
+  <style>
+    rect.bg { fill: #09090b; }
+    text { fill: #fafafa; }
+    rect.border { fill: none; stroke: #3f3f46; stroke-width="1"; }
+    @media (prefers-color-scheme: light) {
+      rect.bg { fill: #fafafa; }
+      text { fill: #09090b; }
+      rect.border { stroke: #e4e4e7; }
+    }
+  </style>
+  <rect class="bg" width="32" height="32" rx="7"/>
+  <rect class="border" x="0.5" y="0.5" width="31" height="31" rx="6.5"/>
+  <text
+    x="16"
+    y="22"
+    font-family="Georgia, serif"
+    font-size="15"
+    font-weight="700"
+    text-anchor="middle"
+    letter-spacing="0.5"
+  >dg</text>
+</svg>

static/assets/favicon/manifest.webmanifest

@@ -0,0 +1,12 @@
+{
+  "name": "dg",
+  "short_name": "dg",
+  "icons": [
+    { "src": "/icon-192.png", "type": "image/png", "sizes": "192x192" },
+    { "src": "/icon-mask.png", "type": "image/png", "sizes": "512x512", "purpose": "maskable" },
+    { "src": "/icon-512.png", "type": "image/png", "sizes": "512x512" }
+  ],
+  "theme_color": "#09090b",
+  "background_color": "#09090b",
+  "display": "standalone"
+}