Add gh pages workflow

.github/workflows/gh-deployment.yml

@@ -0,0 +1,39 @@
+name: Deployment to GitHub Pages
+
+permissions:
+  contents: write
+
+on:
+  # call this workflow when the workflow Main Validation is completed after a push to main
+  workflow_run:
+    workflows:
+      - 'Continuous Integration'
+    branches:
+      - main
+    types:
+      - completed
+
+jobs:
+  deploy:
+    if: ${{ github.event.workflow_run.conclusion == 'success' }}
+    runs-on: ubuntu-latest
+    steps:
+      - name: Begin CI...
+        uses: actions/checkout@v3
+
+      - name: Set up Node
+        uses: actions/setup-node@v3
+        with:
+          node-version-file: .node-version
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build page
+        run: npm run build
+
+      - name: Deploy to gh-pages
+        uses: peaceiris/actions-gh-pages@v3
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./dist