Added workflow & updated README.md

.github/workflows/deploy.yml

@@ -0,0 +1,27 @@
+name: Deploy to Production
+
+on:
+  push:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: SSH and deploy
+        uses: appleboy/ssh-action@master
+        with:
+          host: ${{ secrets.SSH_HOST }}
+          username: ${{ secrets.SSH_USERNAME }}
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          port: ${{ secrets.SSH_PORT }}
+          script: |
+            cd /var/www/marcus7i.net
+            git pull
+            npm ci
+            npm run build
+            pm2 reload ecosystem.config.cjs || pm2 start ecosystem.config.cjs
+
+            # For system restarts
+            pm2 save