Create mgmt cluster using controller

[tatlat]

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Description of changes:

Testing (if applicable):

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[eks-distro-bot]

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[eks-distro-bot]

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[codecov]

Codecov Report

Attention: 450 lines in your changes are missing coverage. Please review.

Comparison is base (6eee9ff) 71.75% compared to head (3ab1169) 70.89%.
Report is 10 commits behind head on main.

Files	Patch %	Lines
pkg/workflows/management/create_cluster.go	0.00%	91 Missing ⚠️
...lows/management/create_ install_eksa_components.go	0.00%	63 Missing ⚠️
pkg/clustermanager/cluster_creator.go	0.00%	62 Missing ⚠️
pkg/clustermanager/cluster_manager.go	0.00%	45 Missing ⚠️
cmd/eksctl-anywhere/cmd/createcluster.go	0.00%	36 Missing ⚠️
pkg/workflows/management/create.go	0.00%	28 Missing ⚠️
pkg/workflows/management/validate.go	12.50%	28 Missing ⚠️
pkg/workflows/management/create_move_capi.go	0.00%	23 Missing ⚠️
...g/workflows/management/create_install_resources.go	0.00%	17 Missing ⚠️
pkg/workflows/management/delete_bootstrap.go	0.00%	17 Missing ⚠️
... and 5 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7253      +/-   ##
==========================================
- Coverage   71.75%   70.89%   -0.86%     
==========================================
  Files         554      565      +11     
  Lines       43015    43645     +630     
==========================================
+ Hits        30864    30941      +77     
- Misses      10445    10993     +548     
- Partials     1706     1711       +5     

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