Fix CSS and asset loading for GitHub Pages

- Configure basePath and assetPrefix for repository subdirectory
- Add .nojekyll file to prevent Jekyll processing interference
- Ensure proper asset paths for GitHub Pages deployment

Author: sirindudler

.claude/settings.local.json

@@ -6,7 +6,8 @@
       "Bash(git commit:*)",
       "Bash(git push:*)",
       "Bash(mkdir:*)",
-      "Bash(npm run build:*)"
+      "Bash(npm run build:*)",
+      "Bash(gh repo view:*)"
     ],
     "deny": []
   }

unccd-dashboard/next.config.ts

@@ -5,6 +5,8 @@ const nextConfig: NextConfig = {
   reactStrictMode: true,
   output: 'export',
   trailingSlash: true,
+  basePath: '/STARTHack25-G20-UNCCD-Case',
+  assetPrefix: '/STARTHack25-G20-UNCCD-Case/',
   images: {
     unoptimized: true,
   },