Create new workflow

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+name: CI/CD
+
+on:
+  push:
+    branches:
+      - gh-pages
+
+jobs:
+  ci-cd:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v4
+      with:
+        node-version: 20
+        registry-url: https://registry.npmjs.org/
+        cache: npm
+
+    - name: Install dependencies
+      run: npm install
+
+    - name: Build and test
+      run: npm run build
+
+    - name: Deploy to GitHub Pages
+      run: npm run deploy -- -m "Update GitHub Pages"