adjust lanqiao dir structure

data/1.算法初阶/10.蓝桥杯-数论/config.json

-{
-  "node_id": "algorithm-4f3afa15f4d2460888780315f0be5185",
-  "keywords": []
-}
\ No newline at end of file

data/1.算法初阶/11.蓝桥杯-图论/config.json

-{
-  "node_id": "algorithm-fccaf24d77bc46ff8fa2f514334c8651",
-  "keywords": []
-}
\ No newline at end of file

data/1.算法初阶/12.蓝桥杯-博弈论/config.json

-{
-  "node_id": "algorithm-e6e878097f694a3b9ed00e7aadbc7b3f",
-  "keywords": []
-}
\ No newline at end of file

data/1.算法初阶/5.蓝桥杯-并查集/config.json

-{
-  "node_id": "algorithm-703cee5ca7f04bd499cce3a98383a898",
-  "keywords": []
-}
\ No newline at end of file