fix: add github pages deploy to build ci workflow

Author: samshara

.github/workflows/ci.yml

@@ -22,3 +22,35 @@ jobs:
 
       - name: Build
         run: yarn build
+
+  deploy-page:
+    needs: build
+    runs-on: ubuntu-latest
+
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    defaults:
+      run:
+        working-directory: gh-pages
+
+    permissions:
+      contents: read
+      pages: write
+      id-token: write
+
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Install + Build
+        run: docker-compose up page-build
+
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v1
+        with:
+          path: gh-pages/out
+
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2