feat: add rustfmt configuration and CI workflow for code formatting

refactor: streamline formatting workflow by removing unused taplo steps and clarifying directory change

refactor: remove unnecessary directory change step in formatting workflow

src/pages/proxies.tsx

@@ -20,8 +20,8 @@ const ProxyPage = () => {
       revalidateOnFocus: false,
       revalidateIfStale: true,
       dedupingInterval: 1000,
-      errorRetryInterval: 5000
-    }
+      errorRetryInterval: 5000,
+    },
   );
 
   const { verge } = useVerge();