add noindex

app/controllers/api/api_base_controller.rb

@@ -66,6 +66,10 @@ module Api
       current_user&.account
     end
 
+    def set_noindex_headers
+      headers['X-Robots-Tag'] = 'noindex'
+    end
+
     def set_cors_headers
       headers['Access-Control-Allow-Origin'] = '*'
       headers['Access-Control-Allow-Methods'] = 'POST, GET, PUT, PATCH, DELETE, OPTIONS'