Add Pezkuwi SDK UI - Polkadot.js Apps clone

- Clone Polkadot.js Apps repository
- Update package.json with Pezkuwi branding
- Add Pezkuwi endpoint to production chains (wss://pezkuwichain.app:9944)
- Create comprehensive README for SDK UI
- Set up project structure with all packages

Next steps:
- Apply Kurdistan colors (Kesk, Sor, Zer, Spi + Black) to UI theme
- Replace logos with Pezkuwi branding
- Test build and deployment

pezkuwi-sdk-ui/packages/react-hooks/src/useEventTrigger.ts

@@ -0,0 +1,57 @@
+// Copyright 2017-2025 @polkadot/react-hooks authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { AugmentedEvent } from '@polkadot/api/types';
+import type { Vec } from '@polkadot/types';
+import type { EventRecord } from '@polkadot/types/interfaces';
+
+import { useEffect, useState } from 'react';
+
+import { createNamedHook } from './createNamedHook.js';
+import { useApi } from './useApi.js';
+import { useCall } from './useCall.js';
+import { useIsMountedRef } from './useIsMountedRef.js';
+import { useMemoValue } from './useMemoValue.js';
+
+export type EventCheck = AugmentedEvent<'promise'> | false | undefined | null;
+
+interface Result {
+  blockHash: string;
+  events: EventRecord[];
+}
+
+const EMPTY_RESULT: Result = {
+  blockHash: '',
+  events: []
+};
+
+const IDENTITY_FILTER = () => true;
+
+function useEventTriggerImpl (checks: EventCheck[], filter: (record: EventRecord) => boolean = IDENTITY_FILTER): Result {
+  const { api } = useApi();
+  const [state, setState] = useState(() => EMPTY_RESULT);
+  const memoChecks = useMemoValue(checks);
+  const mountedRef = useIsMountedRef();
+  const eventRecords = useCall<Vec<EventRecord>>(api.query.system.events);
+
+  useEffect((): void => {
+    if (mountedRef.current && eventRecords) {
+      const events = eventRecords.filter((r) =>
+        r.event &&
+        memoChecks.some((c) => c && c.is(r.event)) &&
+        filter(r)
+      );
+
+      if (events.length) {
+        setState({
+          blockHash: eventRecords.createdAtHash?.toHex() || '',
+          events
+        });
+      }
+    }
+  }, [eventRecords, filter, memoChecks, mountedRef]);
+
+  return state;
+}
+
+export const useEventTrigger = createNamedHook('useEventTrigger', useEventTriggerImpl);