Add variable for setting the additional categories on cluster

[thunderboltsid]

The diff also includes a patch to set the additional categories on nutanixmachinetemplate resources for control plane and worker machine deployments.

[deepakm-ntnx]

pls check the comments before merging

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 25.63%. Comparing base (4a18e44) to head (7c30be7).

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #396   +/-   ##
=======================================
  Coverage   25.63%   25.63%           
=======================================
  Files          19       19           
  Lines        1303     1303           
=======================================
  Hits          334      334           
  Misses        969      969           

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The base branch was changed.

The merge-base changed after approval.

[thunderboltsid]

/retest

[adiantum]

/lgtm
/approve
/meow

[nutanix-cn-prow-bot]

@adiantum:

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/lgtm
/approve
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[nutanix-cn-prow-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: adiantum, deepakm-ntnx, thunderboltsid

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