Add GitHub Action

.github/workflows/deploy.yml

@@ -0,0 +1,24 @@
+name: Deploy
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+
+    - name: Use Node.js
+      uses: actions/setup-node@v2
+      with:
+        node-version: '20'
+
+    - name: Install dependencies
+      run: npm ci
+
+    - name: Run deploy script
+      run: npm run deploy