add level0_id

csst_dfs_api/facility/level2.py

@@ -87,7 +87,8 @@ class Level2DataApi(object):
         ''' insert a level2 record into database
 
         :param kwargs: Parameter dictionary, key items support:
-            level1_id: [int]
+            level0_id : [str] optional
+            level1_id: [int] optional
             brick_id: [int]
             module_id : [str]
             object_name: [str]