Fix CI pages deploy

.drone.yml

@@ -136,10 +136,13 @@ steps:
         path: /tmp/pages
     commands:
       - git clone --depth 1 --branch pages https://git.dergrimm.net/mentorenwahl/mentorenwahl.git /tmp/pages
-      - rm -rf /tmp/pages/*
-      - cp -r ./docs/book/* /tmp/pages
-      - mkdir -p /tmp/pages/_api/backend
-      - cp -r ./backend/docs/* /tmp/pages/_api/backend
+      - ls -la /tmp/pages
+      - find /tmp/pages -not -name '.git' -delete
+      - ls -la /tmp/pages
+      # - rm -rf /tmp/pages/*
+      # - cp -r ./docs/book/* /tmp/pages
+      # - mkdir -p /tmp/pages/_api/backend
+      # - cp -r ./backend/docs/* /tmp/pages/_api/backend
     depends_on:
       - restore-cache
   - name: deploy-pages