fix: Simplify vercel.json for SPA routing

Simplified Vercel configuration to fix /typer route 404 errors by removing complex routing rules that interfered with client-side routing.

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

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

Author: gkamradt

vercel.json

@@ -1,25 +1,8 @@
 {
-  "version": 2,
-  "name": "multiple-code-terminals",
-  "buildCommand": "npm run build",
-  "outputDirectory": "dist",
   "rewrites": [
     {
       "source": "/(.*)",
       "destination": "/index.html"
     }
-  ],
-  "headers": [
-    {
-      "source": "/assets/(.*)",
-      "headers": [
-        {
-          "key": "Cache-Control",
-          "value": "public, max-age=31536000, immutable"
-        }
-      ]
-    }
-  ],
-  "cleanUrls": true,
-  "trailingSlash": false
+  ]
 }