request help: support hmac-auth plugin for ApisixConsumer

[wangyp0701]

Description

What I learned is
At present, only basic-auth and key-auth are supported
Do you have any plans to add functions

[tokers]

@tao12345666333 PTAL, thanks!

[tao12345666333]

Thanks for your report.

ref: #986 (comment)

We can add this supprt.
Currently adding wolf-rbac plugin

[Chever-John]

Please assign this to me~

[tao12345666333]

Assigned

Thanks

[fatpa]

Please assign this to me, and I have already submitted the pull request.