add favicon

static/favicon-16.svg

@@ -0,0 +1,5 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16">
+  <rect width="16" height="16" rx="3" fill="#0d0f0e"/>
+  <rect x="0.75" y="0.75" width="14.5" height="14.5" rx="2.5" fill="none" stroke="#e8930a" stroke-width="1"/>
+  <text x="8" y="12" font-family="Barlow Condensed, Arial Narrow, sans-serif" font-weight="700" font-size="11" fill="#e8930a" text-anchor="middle">P</text>
+</svg>

static/favicon.svg

@@ -0,0 +1,8 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32">
+  <!-- Background -->
+  <rect width="32" height="32" rx="4" fill="#0d0f0e"/>
+  <!-- Amber bar mark -->
+  <rect x="4" y="5" width="5" height="22" rx="1.5" fill="#e8930a"/>
+  <!-- P monogram -->
+  <text x="20" y="23" font-family="'DM Mono',monospace,ui-monospace" font-weight="700" font-size="18" fill="#e8930a" text-anchor="middle">P</text>
+</svg>