add Gitea Actions deploy workflow

.gitea/workflows/deploy.yml

@@ -0,0 +1,24 @@
+name: Deploy
+
+on:
+  push:
+    branches: [main, master]
+
+jobs:
+  deploy:
+    runs-on: self-hosted:host
+    steps:
+      - name: Clone
+        run: |
+          rm -rf /tmp/deploy-spectra-lab
+          git clone "https://gch3n:${{ secrets.GITEA_TOKEN }}@git.gch3n.online/gch3n/spectra-lab.git" /tmp/deploy-spectra-lab
+
+      - name: Deploy
+        run: |
+          sudo mkdir -p /var/www/spectra-lab
+          sudo cp -r /tmp/deploy-spectra-lab/* /var/www/spectra-lab/
+          sudo chown -R caddy:caddy /var/www/spectra-lab
+          rm -rf /tmp/deploy-spectra-lab
+
+      - name: Done
+        run: echo "✓ Deployed to gch3n.online/spectra-lab/"