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/useBlocksPerDays.ts

@@ -0,0 +1,22 @@
+// Copyright 2017-2025 @pezkuwi/react-hooks authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { useMemo } from 'react';
+
+import { BN, bnToBn } from '@pezkuwi/util';
+
+import { createNamedHook } from './createNamedHook.js';
+import { useBlockInterval } from './useBlockInterval.js';
+
+export const A_DAY = new BN(24 * 60 * 60 * 1000);
+
+function useBlocksPerDaysImpl (days: BN | number = 1): BN {
+  const blockTime = useBlockInterval();
+
+  return useMemo(
+    () => A_DAY.mul(bnToBn(days)).div(blockTime),
+    [blockTime, days]
+  );
+}
+
+export const useBlocksPerDays = createNamedHook('useBlocksPerDays', useBlocksPerDaysImpl);