Added AOS Show Commands

[Alexpf20210007]

Description

• AOS
  • Added ShowInterfacesBrief:
    • show interfaces brief
  • Added ShowVlan:
    • show vlan
  • Added ShowInterfacesTransceiver:
    • show interfaces transceiver
  • Added ShowStacking:
    • show stacking

Motivation and Context

The commands for Aruba OS are different than Cisco IOS, IOSXE, IOSXR, etc.

Checklist:

• [X ] I have updated the changelog.
• [ ] I have updated the documentation (If applicable).
• [X ] I have added tests to cover my changes (If applicable).
• [ ] All new and existing tests passed. - I have not tested the test files.
• [X] All new code passed compilation.

[Alexpf20210007]

I recently got Aruba OS (aos) merged into the unicon plugin. This opens Aruba OS to anybody that wants to contribute to the genieparser project. I have already created 4 show commands to get started with.

[Alexpf20210007]

I have an SDK folder with sample output results. Please let me know if I need to remove that.