Merge branch 'terraform-aws-eks-accelerator-v3.0.0' of github.com:aws-samples/aws-eks-accelerator-for-terraform into feature/emr-on-eks

Feature/51 add mkdocs

* Prometheus Addon upgraded;simplifed kubernetes module

* gitallowed added

* Fixed amp url for prometheus

* Fixed outputs with correct prometheus condition

* Added comments

* Added additional pre commit config

* metrics server addon helm chart updated

* Updated metrics server helm chart to kubernetes-sigs.github.io

* Fixed github workflow by removing source folder

* Cluster autoscaler helm module updated

* Cluster Autoscaler resource name corrected

* Added linux annotation to the helm charts

* Added additional pre commit config

* metrics server addon helm chart updated

* Updated metrics server helm chart to kubernetes-sigs.github.io

* Fixed github workflow by removing source folder

Feature/kubernetes addon redesign

* Break-fixes for cert-manager, metrics-server installs

* Fixed cert-manager default version

* Readme updated with the new module verison and features

* Updated readme with additional details

* Added assume role document link to readme

* Resource names updated with underscore

Merge branch 'terraform-aws-eks-accelerator-v3.0.0' of https://github.com/aws-samples/aws-eks-accelerator-for-terraform into terraform-aws-eks-accelerator-v3.0.0

Merge branch 'test-eks-tf-demo' of https://github.com/aws-samples/aws-eks-accelerator-for-terraform into test-eks-tf-demo