Merge branch 'feature/luojunhui/2025-09-23-add-crontab' of Server/rag_server into master

crontab_backup.md

@@ -0,0 +1,2 @@
+###### 1. 自动调用 rechunk 功能
+    30 * * * * curl -X GET http://192.168.100.31:8001/api/auto_rechunk -H "Content-Type: application/json" >> /home/ubuntu/luojunhui/llm/rag_server/logs/rechunk_$(date +\%F).log 2>&1