feat: photo landing page with favicon set

frontend/public/favicon.svg

@@ -0,0 +1,22 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 64 64">
+  <style>
+    .bg { fill: #1d4a79; }
+    .fg { fill: #ffffff; }
+    @media (prefers-color-scheme: dark) {
+      .bg { fill: #356fae; }
+    }
+  </style>
+  <rect class="bg" x="4" y="4" width="56" height="56" rx="14"/>
+  <!-- tower -->
+  <rect class="fg" x="26" y="22" width="12" height="28"/>
+  <!-- spire -->
+  <path class="fg" d="M32 8 L40 22 H24 Z"/>
+  <!-- cross -->
+  <rect class="fg" x="31.2" y="2.5" width="1.6" height="6"/>
+  <rect class="fg" x="29.4" y="4" width="5.2" height="1.6"/>
+  <!-- nave -->
+  <rect class="fg" x="14" y="36" width="12" height="14"/>
+  <path class="fg" d="M12 36 L20 28 L28 36 Z"/>
+  <!-- door knockout -->
+  <path class="bg" d="M29 50 v-5 a3 3 0 0 1 6 0 v5 Z"/>
+</svg>