In the following resource class APIs,
the name of a resource class must start with 'CUSTOM_'.
If not, the request returns a 'Bad Request (400)' response code.
It should be described in the API reference. So add it.
* POST /resource_classes
* PUT /resource_classes/{name}
Change-Id: I132c532678bb74a460515067187fbf1e30885335
Closes-Bug: #1733308
This provides simple documentation of the path, request and response
body parameters when listing, creating, updating and deleting a resource
class.
Change-Id: I4038d116d53b68344282ef59f9f01753766d2ef8