Add Gitea Actions deploy workflow

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

.gitea/workflows/deploy.yml

@@ -0,0 +1,23 @@
+name: Deploy presentation
+
+on:
+  push:
+    branches: [master]
+
+jobs:
+  deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Deploy via SSH
+        uses: appleboy/ssh-action@v1
+        with:
+          host: ${{ secrets.DEPLOY_HOST }}
+          username: ${{ secrets.DEPLOY_USER }}
+          key: ${{ secrets.DEPLOY_SSH_KEY }}
+          script: |
+            mkdir -p /var/www/prez-finistdev
+            cd /var/www/prez-finistdev
+            git clone https://git.cloud.arnaud-pc.fr/ministicraft/finistdev-configuration-as-code.git . 2>/dev/null || git pull origin master