Add aruba aoscx

[lukebates123]

Description

This PR adds the Aruba AOS-CX family of switches.

Type of change

Please delete options that are not relevant.

• New feature (non-breaking change which adds functionality)

How Has This Been Tested?

Tested on live Aruba 8325,8360,8320 switches running firmware from 10.05.x to 10.08.x

Checklist:

• My code follows the style guidelines of this project (no GitHub actions compalints! run make lint before
  committing!)
• I have commented my code, pydocstyle and darglint are happy, docstrings are in google docstring format, and all
  docstrings include a summary, args, returns and raises fields (even if N/A)
• I have added tests that prove my fix is effective or that my feature works, if adding "functional" tests please
  note if there are any considerations for the vrnetlab setup
• New and existing unit tests pass locally with my changes

[carlmontanari]

LGTM - thanks for this @lukebates123 !!