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/test-support/src/react/apiInTests.ts

@@ -0,0 +1,14 @@
+// Copyright 2017-2025 @polkadot/test-support authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { PropsWithChildren } from 'react';
+import type React from 'react';
+
+import { useApi } from '@polkadot/react-hooks';
+
+// eslint-disable-next-line @typescript-eslint/no-explicit-any, @typescript-eslint/no-redundant-type-constituents
+export const WaitForApi = ({ children }: { children: React.ReactNode }): PropsWithChildren<any> | null => {
+  const api = useApi();
+
+  return api.isApiReady ? (children) : null;
+};