feat: init

apps/web/core/hooks/use-timer.tsx

@@ -0,0 +1,19 @@
+import { useState, useEffect } from "react";
+
+const TIMER = 30;
+
+const useTimer = (initialValue: number = TIMER) => {
+  const [timer, setTimer] = useState(initialValue);
+
+  useEffect(() => {
+    const interval = setInterval(() => {
+      setTimer((prev) => prev - 1);
+    }, 1000);
+
+    return () => clearInterval(interval);
+  }, []);
+
+  return { timer, setTimer };
+};
+
+export default useTimer;