v1.2 update initial db data

mongodb_backup/leanote_install_data/group_users.metadata.json

@@ -0,0 +1 @@
+{"indexes":[{"v":1,"key":{"_id":1},"name":"_id_","ns":"leanote_bin_test.group_users"},{"v":1,"key":{"GroupId":1},"name":"GroupId_1","ns":"leanote_bin_test.group_users","background":true}]}