https://api.sciener.com/v3/group/add
Create a Group. The group is used to classify the locks and ekeys of an account.
When initializing the lock, add the groupId parameter to set the lock to a group. You can also set the group of a lock afterwards.
When getting the lock list and ekey list of an account, with the groupId, you can get the locks and ekeys of one group.

Name	Type	Required	Description
clientId	String	Y	The app_id which is assigned by system when you create an application
accessToken	String	Y	Access token
name	String	Y	Group name
date	Long	Y	Current time (timestamp in millisecond)

Parameter	Type	Description
groupId	Int	Group id