GET and DELETE a template Use Case and Restructure

[ChengShi-1]

Overview of the Feature Request

What kind of user is the feature intended for?
(Example users roles: API User, Curator, Depositor, Guest, Superuser, Sysadmin)

What inspired the request?
IQSS/dataverse-client-javascript#406

What existing behavior do you want changed?
Not in the UI

Any brand-new behavior do you want to add to Dataverse?

Any open or closed issues related to this feature request?