fix(website): set base to / for Cloudflare Pages deployment

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: phucbm

website/vite.config.ts

@@ -4,5 +4,5 @@ import tailwindcss from '@tailwindcss/vite'
 
 export default defineConfig({
   plugins: [react(), tailwindcss()],
-  base: '/claude-usage-monitor/',
+  base: '/',
 })