Initial commit: Pezkuwi SDK UI

Comprehensive web interface for interacting with Pezkuwi blockchain.

Features:
- Blockchain explorer
- Wallet management
- Staking interface
- Governance participation
- Developer tools

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.github/workflows/release.yml

@@ -0,0 +1,76 @@
+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+permissions:
+  contents: write
+
+jobs:
+  release:
+    name: Create Release
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Enable Corepack
+        run: corepack enable
+
+      - name: Install dependencies
+        run: yarn install --immutable
+
+      - name: Build web application
+        run: yarn build:www
+
+      - name: Create release archive
+        run: |
+          cd packages/apps/build
+          tar -czvf ../../../pezkuwi-sdk-ui-${{ github.ref_name }}.tar.gz .
+
+      - name: Create GitHub Release
+        uses: softprops/action-gh-release@v1
+        with:
+          files: pezkuwi-sdk-ui-${{ github.ref_name }}.tar.gz
+          generate_release_notes: true
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  build-electron:
+    name: Build Electron Apps
+    runs-on: ${{ matrix.os }}
+    needs: release
+    strategy:
+      matrix:
+        os: [ubuntu-latest, windows-latest, macos-latest]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '20'
+
+      - name: Enable Corepack
+        run: corepack enable
+
+      - name: Install dependencies
+        run: yarn install --immutable
+
+      - name: Build Electron app
+        run: yarn build:release:electron
+
+      - name: Upload Electron artifacts
+        uses: actions/upload-artifact@v4
+        with:
+          name: electron-${{ matrix.os }}
+          path: packages/apps-electron/release
+          retention-days: 30