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/page-settings/src/useChainInfo.ts

@@ -0,0 +1,42 @@
+// Copyright 2017-2025 @pezkuwi/app-settings authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { ChainInfo } from './types.js';
+
+import { useMemo } from 'react';
+
+import { getSystemIcon } from '@pezkuwi/apps-config';
+import { DEFAULT_DECIMALS, DEFAULT_SS58 } from '@pezkuwi/react-api';
+import { createNamedHook, useApi } from '@pezkuwi/react-hooks';
+import { getSpecTypes } from '@pezkuwi/types-known';
+import { formatBalance, isNumber } from '@pezkuwi/util';
+import { base64Encode } from '@pezkuwi/util-crypto';
+
+function useChainInfoImpl (): ChainInfo | null {
+  const { api, apiEndpoint, isApiReady, isEthereum, specName, systemChain, systemName } = useApi();
+
+  return useMemo(
+    () => isApiReady
+      ? {
+        chain: systemChain,
+        chainType: isEthereum
+          ? 'ethereum'
+          : 'bizinikiwi',
+        color: apiEndpoint?.ui.color,
+        genesisHash: api.genesisHash.toHex(),
+        icon: getSystemIcon(systemName, specName),
+        metaCalls: base64Encode(api.runtimeMetadata.asCallsOnly.toU8a()),
+        specVersion: api.runtimeVersion.specVersion.toNumber(),
+        ss58Format: isNumber(api.registry.chainSS58)
+          ? api.registry.chainSS58
+          : DEFAULT_SS58.toNumber(),
+        tokenDecimals: (api.registry.chainDecimals || [DEFAULT_DECIMALS.toNumber()])[0],
+        tokenSymbol: (api.registry.chainTokens || formatBalance.getDefaults().unit)[0],
+        types: getSpecTypes(api.registry, systemChain, api.runtimeVersion.specName, api.runtimeVersion.specVersion) as unknown as Record<string, string>
+      }
+      : null,
+    [api, apiEndpoint, isApiReady, specName, systemChain, systemName, isEthereum]
+  );
+}
+
+export default createNamedHook('useChainInfo', useChainInfoImpl);