add forgejo deploy workflow

.forgejo/workflows/deploy.yml

@@ -0,0 +1,26 @@
+name: Deploy Gateway
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Deploy to Infomaniak VM
+        uses: appleboy/ssh-action@v1.0.3
+        with:
+          host: api.poweron.swiss
+          username: ubuntu
+          key: ${{ secrets.SSH_PRIVATE_KEY }}
+          script: |
+            cd /srv/gateway/current
+            git pull
+            source .venv/bin/activate
+            pip install -r requirements.txt --no-cache-dir
+            sudo systemctl restart gateway