Add GitHub Pages deployment workflow

Author: ArjunJadeja

.github/workflows/deploy-pages.yml

@@ -0,0 +1,50 @@
+name: Deploy Texty Demo to GitHub Pages
+
+on:
+  push:
+    branches: [ master ]  # Only run on main branch
+  workflow_dispatch:  # Allows manual triggering
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up JDK 22
+        uses: actions/setup-java@v4
+        with:
+          java-version: '22'
+          distribution: 'temurin'
+
+      - name: Setup Gradle
+        uses: gradle/gradle-build-action@v3
+
+      - name: Build WASM distribution
+        run: ./gradlew :sample:composeApp:wasmJsBrowserDistribution
+
+      - name: Setup Pages
+        uses: actions/configure-pages@v4
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: 'sample/composeApp/build/dist/wasmJs/productionExecutable'
+
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4