Enhance UI to modern glass/white theme and Add CI workflows for build and deploy

Author: rahul-aot

.github/workflows/build.yml

@@ -0,0 +1,36 @@
+name: Build & Lint Extension
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Use Node.js 20
+      uses: actions/setup-node@v4
+      with:
+        node-version: 20
+        cache: 'npm'
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Type Check
+      run: npm run type-check
+
+    - name: Build Extension
+      run: npm run build
+
+    - name: Upload Build Artifact
+      uses: actions/upload-artifact@v4
+      with:
+        name: testpilot-extension
+        path: dist/
+        retention-days: 5

.github/workflows/deploy-build.yml

@@ -0,0 +1,34 @@
+name: Deploy Build to Branch
+
+on:
+  push:
+    branches: [ "main" ]
+
+permissions:
+  contents: write
+
+jobs:
+  deploy-build:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Use Node.js 20
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Build Extension
+        run: npm run build
+
+      - name: Deploy to 'build' branch
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./dist
+          publish_branch: build
+          commit_message: "Deploy build: ${{ github.sha }}"