Initial EKS cluster creation

[knabben]

What type of PR is this?

/label kind/documentation

What this PR does / why we need it:

• Refactoring the cluster module to simplify the managed node groups creation on EKS and updating to Windows 2022.
• Adding README for the Terraform EKS

Which issue(s) this PR fixes:

Fixes #98

[k8s-ci-robot]

@knabben: The label(s) `/label kind/documentation

cannot be applied. These labels are supported:api-review, tide/merge-method-merge, tide/merge-method-rebase, tide/merge-method-squash, team/katacoda, refactor. Is this label configured under labels -> additional_labelsorlabels -> restricted_labelsinplugin.yaml`?

In response to this:

What type of PR is this?

/label kind/documentation

What this PR does / why we need it:

• Refactoring the cluster module to simplify the managed node groups creation on EKS and updating to Windows 2022.
• Adding README for the Terraform EKS

Which issue(s) this PR fixes:

Fixes #98

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[k8s-ci-robot]

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[ameukam]

Why are we dropping the config for the jumper ?

[knabben]

Why are we dropping the config for the jumper ?

I think I missed the jumper setup, is data "aws_ami" "ubuntu_2204" bringing the EC2 or just setting the data?

[knabben]

@marciogmorales will take over from here.

[tzifudzi]

/lgtm