Doc: Announce deprecation of arista.cvp v1 modules

[titom73]

Change Summary

Announce arista.cvp.cv_* v1 deprecation

Related Issue(s)

N/A

Component(s) name

• arista.cvp.cv_facts
• arista.cvp.cv_container
• arista.cvp.cv_configlet
• arista.cvp.cv_device
• arista.cvp.cv_task

Proposed changes

Mark modules as deprecated in module documentation

How to test

$ ansible-doc arista.cvp.cv_container

        CloudVision Portal Configlet configuration requires a dictionary of containers with their parent, to create and delete
        containers on CVP side. Returns number of created and/or deleted containers

ADDED IN: version 1.0.0 of arista.cvp

DEPRECATED: 

        Reason: Updated modules released with increased functionality
        Will be removed in: Ansible 4.0
        Alternatives: Use M(arista.cvp.cv_container_v3) instead.

[...]

Checklist

User Checklist

• Update Makefile to stop regenerate v1 documentation
• Update Readmes
• Mark all modules as deprecated

Repository Checklist

• My code has been rebased from devel before I start
• I have read the CONTRIBUTING document.
• My change requires a change to the documentation and documentation have been updated accordingly. (check the box if not applicable)
• I have updated molecule CI testing accordingly. (check the box if not applicable)