feat: initial Pezkuwi Apps rebrand from polkadot-apps

Rebranded terminology:
- Polkadot → Pezkuwi
- Kusama → Dicle
- Westend → Zagros
- Rococo → PezkuwiChain
- Substrate → Bizinikiwi
- parachain → teyrchain

Custom logos with Kurdistan brand colors (#e6007a → #86e62a):
- bizinikiwi-hexagon.svg
- sora-bizinikiwi.svg
- hezscanner.svg
- heztreasury.svg
- pezkuwiscan.svg
- pezkuwistats.svg
- pezkuwiassembly.svg
- pezkuwiholic.svg

packages/react-hooks/src/useIsMountedRef.ts

@@ -0,0 +1,26 @@
+// Copyright 2017-2025 @pezkuwi/react-hooks authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type React from 'react';
+
+import { useEffect, useRef } from 'react';
+
+import { createNamedHook } from './createNamedHook.js';
+
+export type MountedRef = React.MutableRefObject<boolean>;
+
+function useIsMountedRefImpl (): MountedRef {
+  const isMounted = useRef(false);
+
+  useEffect((): () => void => {
+    isMounted.current = true;
+
+    return (): void => {
+      isMounted.current = false;
+    };
+  }, []);
+
+  return isMounted;
+}
+
+export const useIsMountedRef = createNamedHook('useIsMountedRef', useIsMountedRefImpl);