✨ add hook to get lates save

src/app/use-latest-save.ts

@@ -0,0 +1,24 @@
+import { useEffect, useState } from "react";
+import { db } from "./db";
+import { collection, getDocs } from "firebase/firestore";
+
+const useLatestSave = () => {
+  const [save, setSave] = useState<string | null>(null);
+
+  useEffect(() => {
+    const getSave = async () => {
+      const collection_ = collection(db, "lien");
+      const saves = await getDocs(collection_);
+      const saveData = saves.docs.map((doc) => doc.data());
+      if (saveData.length === 0) return;
+      const latestSave = saveData.sort((a, b) => b.timestamp - a.timestamp)[0];
+      setSave(latestSave.gameState);
+    };
+
+    getSave();
+  }, []);
+
+  return save;
+};
+
+export default useLatestSave;