add workflow

.gitea/workflows/deploy.yaml

@@ -25,17 +25,20 @@ jobs:
           git config user.name "gitea-actions[bot]"
           git config user.email "actions@noreply.gitea.io"
 
-          # Create fresh orphan branch
+          # Move built site somewhere safe
+          mv site /tmp/site_build
+
+          # Create orphan branch
           git checkout --orphan docs-static
 
-          # Remove ALL tracked files from index + working tree
+          # Remove tracked files
           git rm -rf . 2>/dev/null || true
 
-          # Clean untracked files too (important!)
+          # Clean working directory
           rm -rf *
 
-          # Copy only site contents (not the folder itself)
-          cp -r site/. .
+          # Copy ONLY built output back in
+          cp -r /tmp/site_build/. .
 
           git add .
           git commit -m "Automated MkDocs build"