Add Gitea Actions deploy workflow

.gitea/workflows/deploy.yml

@@ -0,0 +1,22 @@
+name: Deploy Backend
+on:
+  push:
+    branches: [main]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Install SSH client
+        run: apk add --no-cache openssh-client
+      - name: Setup SSH key
+        env:
+          SSH_KEY: ${{ secrets.DEPLOY_KEY }}
+        run: |
+          mkdir -p ~/.ssh
+          echo "$SSH_KEY" > ~/.ssh/id_ed25519
+          chmod 600 ~/.ssh/id_ed25519
+          ssh-keyscan -p 2234 -H 87.248.133.138 >> ~/.ssh/known_hosts
+      - name: Deploy
+        run: ssh -p 2234 devops@87.248.133.138 'bash /opt/services/parsa/backend/deploy.sh'