Adding support for freeform config under attachment

[juarocha]

Related Issue(s)

Fixes #820

Related Collection Role

• cisco.nac_dc_vxlan.validate
• cisco.nac_dc_vxlan.dtc.create
• cisco.nac_dc_vxlan.dtc.deploy
• cisco.nac_dc_vxlan.dtc.remove
• other

Related Data Model Element

• vxlan.fabric
• vxlan.global
• vxlan.topology
• vxlan.underlay
• vxlan.overlay
• vxlan.overlay_extensions
• vxlan.policy
• vxlan.multisite
• defaults.vxlan
• other

Proposed Changes

Adding a new keys under under attachment groups in order to add the freeform Config related for the corresponding network

- name: attach_group
        switches:
          - hostname: leaf1
            networks:
              - name: Network1
                freeform_config: |
                  interface Vlan3101
                  no autostate

Test Notes

Depends on base collection PR:
CiscoDevNet/ansible-dcnm#689

Cisco Nexus Dashboard Version

ND 3.1, 3.2, 4.1

Checklist

• Latest commit is rebased from develop with merge conflicts resolved
• New or updates to documentation has been made accordingly
• Assigned the proper reviewers

[juarocha]

Duplicate issue: #848