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-referenda/src/useReferendaIds.ts

@@ -0,0 +1,41 @@
+// Copyright 2017-2025 @pezkuwi/app-referenda authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { Changes } from '@pezkuwi/react-hooks/useEventChanges';
+import type { StorageKey, u32 } from '@pezkuwi/types';
+import type { EventRecord } from '@pezkuwi/types/interfaces';
+import type { BN } from '@pezkuwi/util';
+import type { PalletReferenda } from './types.js';
+
+import { createNamedHook, useApi, useEventChanges, useMapKeys } from '@pezkuwi/react-hooks';
+
+const OPT_ID = {
+  transform: (keys: StorageKey<[u32]>[]): u32[] =>
+    keys.map(({ args: [id] }) => id)
+};
+
+function filter (records: EventRecord[]): Changes<u32> {
+  const added: u32[] = [];
+  const removed: u32[] = [];
+
+  records.forEach(({ event: { data: [id], method } }): void => {
+    if (method === 'Submitted') {
+      added.push(id as u32);
+    } else {
+      removed.push(id as u32);
+    }
+  });
+
+  return { added, removed };
+}
+
+function useReferendaIdsImpl (palletReferenda: PalletReferenda): BN[] | undefined {
+  const { api } = useApi();
+  const startValue = useMapKeys(api.query[palletReferenda].referendumInfoFor, [], OPT_ID);
+
+  return useEventChanges([
+    api.events[palletReferenda].Submitted
+  ], filter, startValue);
+}
+
+export default createNamedHook('useReferendaIds', useReferendaIdsImpl);