add deploy workflow

.gitea/workflows/deploy.yml

@@ -0,0 +1,30 @@
+name: Deploy game to server
+
+on:
+  workflow_dispatch:  # Allows manual execution
+  push:
+    branches:
+      - main
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Set up SSH key
+        run: |
+          mkdir -p ~/.ssh
+          echo "${{ secrets.DEPLOY_SSH_PRIVATE_KEY }}" > ~/.ssh/id_rsa
+          chmod 600 ~/.ssh/id_rsa
+          ssh-keyscan -H "${{ vars.REMOTE_SERVER }}" >> ~/.ssh/known_hosts
+          chmod 644 ~/.ssh/known_hosts
+
+      - name: Transfer file via SCP
+        run: |
+          scp -i ~/.ssh/id_rsa file-to-transfer.txt ${{ vars.REMOTE_USER }}@${{ vars.REMOTE_SERVER }}:${{ vars.REMOTE_DEST }}
+
+      - name: Clean up SSH key
+        run: rm -rf ~/.ssh