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/useCacheKey.ts

@@ -0,0 +1,31 @@
+// Copyright 2017-2025 @pezkuwi/react-hooks authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { useCallback, useMemo } from 'react';
+import store from 'store';
+
+import { useApi } from './useApi.js';
+
+// create a chain-specific key for the local cache
+// FIXME Since we use generics, this cannot be a createNamedHook as of yet
+export function useCacheKey <T> (storageKeyBase: string): [(defaultValue?: T) => T | undefined, (value: T) => T] {
+  const { api, isDevelopment } = useApi();
+  const storageKey = useMemo(
+    () => `${storageKeyBase}:${isDevelopment ? 'development' : api.genesisHash.toHex()}`,
+    [api, isDevelopment, storageKeyBase]
+  );
+
+  // FIXME both these want "T"... incorrect
+
+  const getter = useCallback(
+    (): T | undefined => store.get(storageKey) as T,
+    [storageKey]
+  );
+
+  const setter = useCallback(
+    (value: T): T => store.set(storageKey, value) as T,
+    [storageKey]
+  );
+
+  return [getter, setter];
+}