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/apps-electron/webpack.renderer.cjs

@@ -0,0 +1,37 @@
+// Copyright 2017-2025 @polkadot/apps authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+/* eslint-disable camelcase */
+
+const CopyWebpackPlugin = require('copy-webpack-plugin');
+const HtmlWebpackPlugin = require('html-webpack-plugin');
+const path = require('path');
+const { merge } = require('webpack-merge');
+
+const baseConfig = require('../apps/webpack.base.cjs');
+
+const context = __dirname;
+
+module.exports = merge(
+  baseConfig(context, 'development'),
+  {
+    plugins: [
+      // It must be placed before HtmlWebpackPlugin
+      new CopyWebpackPlugin({
+        patterns: [{
+          from: '../apps/public',
+          globOptions: {
+            dot: true,
+            ignore: ['**/index.html']
+          }
+        }]
+      }),
+      new HtmlWebpackPlugin({
+        PAGE_TITLE: 'Polkadot/Substrate Portal',
+        minify: false,
+        template: path.join(context, '../apps/public/index.html')
+      })
+    ],
+    target: 'web'
+  }
+);