feat: 首页改为脚本市场，创建页移至 /create

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

frontend/src/pages/Market.tsx

@@ -62,7 +62,7 @@ export default function Market() {
       ) : items.length === 0 ? (
         <div className="text-center py-10">
           <p className="text-gray-500">暂无脚本</p>
-          <Link to="/" className="text-blue-400 hover:underline text-sm mt-2 block">创建一个</Link>
+          <Link to="/create" className="text-blue-400 hover:underline text-sm mt-2 block">创建一个</Link>
         </div>
       ) : (
         <div className="grid gap-4 sm:grid-cols-2">