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/api/createApi.ts

@@ -0,0 +1,25 @@
+// Copyright 2017-2025 @polkadot/test-support authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import { ApiPromise } from '@polkadot/api';
+import { WsProvider } from '@polkadot/rpc-provider';
+
+import { SUBSTRATE_PORT } from '../substrate/index.js';
+
+export async function createApi (port: number = SUBSTRATE_PORT): Promise<ApiPromise> {
+  process.env.NODE_ENV = 'test';
+
+  const provider = new WsProvider(`ws://127.0.0.1:${port}`);
+
+  const api = await ApiPromise.create({ provider });
+
+  const [chain, nodeName, nodeVersion] = await Promise.all([
+    api.rpc.system.chain(),
+    api.rpc.system.name(),
+    api.rpc.system.version()
+  ]);
+
+  console.log(`You are connected to chain ${chain.toString()} using ${nodeName.toString()} v${nodeVersion.toString()}`);
+
+  return api;
+}