Builds on HCI inventory and adds ARC support as well

[p3ck]

SUMMARY

Adds support for listing ARC machines in inventory.

ISSUE TYPE

• Feature Pull Request

COMPONENT NAME

plugins/action/azure_rm_arcssh.py plugins/doc_fragments/azure_rm.py plugins/inventory/azure_rm.py plugins/modules/azure_rm_arcssh.py plugins/plugin_utils/connectivity_utils.py plugins/plugin_utils/constants.py plugins/plugin_utils/file_utils.py plugins/plugin_utils/ssh_info.py requirements.txt

ADDITIONAL INFORMATION

SSH proxy setup is done via an action plugin. This provides the most flexibility for the user to configure the hosts the way they need to. They can group hosts based on tags and have different ssh permissions or keys depending on the group.