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/useCollectiveMembers.ts

@@ -0,0 +1,46 @@
+// Copyright 2017-2025 @pezkuwi/react-hooks authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { AccountId } from '@pezkuwi/types/interfaces';
+import type { CollectiveType } from './types.js';
+
+import { useMemo } from 'react';
+
+import { createNamedHook } from './createNamedHook.js';
+import { useAccounts } from './useAccounts.js';
+import { useApi } from './useApi.js';
+import { useCall } from './useCall.js';
+
+interface Result {
+  isMember: boolean;
+  members: string[];
+  prime?: string | null;
+}
+
+const OPT_MEM = {
+  transform: (accounts: AccountId[]): string[] =>
+    accounts.map((a) => a.toString())
+};
+
+const OPT_PRM = {
+  transform: (accountId: AccountId | null): string | null =>
+    accountId?.toString() || null
+};
+
+function useCollectiveMembersImpl (collective: CollectiveType): Result {
+  const { api } = useApi();
+  const { allAccounts } = useAccounts();
+  const members = useCall(api.derive[collective as 'council']?.members, [], OPT_MEM);
+  const prime = useCall(api.derive[collective as 'council']?.prime, [], OPT_PRM);
+
+  return useMemo(
+    () => ({
+      isMember: (members || []).some((a) => allAccounts.includes(a)),
+      members: (members || []),
+      prime
+    }),
+    [allAccounts, members, prime]
+  );
+}
+
+export const useCollectiveMembers = createNamedHook('useCollectiveMembers', useCollectiveMembersImpl);