useNostrReq: deduplicate events with NSet

src/hooks/useForceUpdate.ts

@@ -0,0 +1,11 @@
+import { useState, useCallback } from 'react';
+
+export function useForceUpdate(): () => void {
+  const [, setState] = useState(false);
+
+  const forceUpdate = useCallback(() => {
+    setState(prevState => !prevState);
+  }, []);
+
+  return forceUpdate;
+}