feat(registry): regexp filter on schema registry subjects

[jessydeclerck]

Following this issue: #853

As suggested here, implementation is inspired from consumer groups regexp

[tchiotludo]

hey @jessydeclerck, thanks for the contribution, in a meantime, there is one that landed #1472 that cover this subject, can you test it please ?

[carlosfwrk]

Hi @tchiotludo, I'm interested in filtering schemaregistry permissions with regexp.
I'm reviewing #1472 but I don't see anything related with this.
Can you tell me how to configure it to test it?
Is it something like this?

streams:
  name: streams
  roles: 
    - topic/read
    - topic/data/read
    - group/read
    - group/offsets/update
    - registry/read
    - registry/insert
    - registry/update
    - registry/delete
    - registry/version/delete
  attributes:
    topics-filter-regexp:
      - "streams.*"
    consumer-groups-filter-regexp:
      - "streams.*"
    subjects-filter-regexp:
      - "streams.*"

Thanks,
Carlos.