Add favicon with slash symbol

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

public/favicon.svg

@@ -0,0 +1,4 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 32 32">
+  <rect width="32" height="32" rx="6" fill="#1a1a1a"/>
+  <text x="16" y="24" font-family="system-ui, -apple-system, sans-serif" font-size="22" font-weight="500" fill="#f5f3ef" text-anchor="middle">/</text>
+</svg>

public/index.html

@@ -4,6 +4,7 @@
   <meta charset="UTF-8">
   <meta name="viewport" content="width=device-width, initial-scale=1.0">
   <title>Impeccable: The missing upgrade to Anthropic's frontend-design skill</title>
+  <link rel="icon" type="image/svg+xml" href="./favicon.svg">
   <link rel="preconnect" href="https://fonts.googleapis.com">
   <link rel="preconnect" href="https://fonts.gstatic.com" crossorigin>
   <link href="https://fonts.googleapis.com/css2?family=Cormorant+Garamond:ital,wght@0,300;0,400;0,600;0,700;1,300;1,400&family=Instrument+Sans:wght@400;500;600;700&family=Inter:wght@400;500;600&family=Space+Grotesk:wght@400;500;600&display=swap" rel="stylesheet">