Refactor group skip (#783)

* Add example IAM policy

* Pass RotateKubeletServerCertificate related checks if it's not found (#767)

* Allow for environment variables to be checked in tests (#755)

* Initial commit for checking environment variables for etcd

* Revert config changes

* Remove redundant struct data

* Fix issues with failing tests

* Initial changes based on code review

* Add option to disable envTesting + Update docs

* Initial tests

* Finished testing

* Fix broken tests

* Add a total summary and always show all tests. (#759)

Whether the total summary is shown can be specified with an option.

Fixes #528

Signed-off-by: Christian Zunker <christian.zunker@codecentric.cloud>

* Update Readme.md file with link to Contribution guide (#754)

* Update License with the year and the owner name

Please add this to make your license agreement strong

* Updated Readme.md file with license and proper documentation links

I have added a proper license agreement to the documentation. Also shortened the links to the issues so that it does not break in any on the forks.

* Update LICENSE

* Update README.md

* Update README.md

* Remove erroneous license info

Co-authored-by: Liz Rice <liz@lizrice.com>

* Support auto-detect platform when running on EKS or GKE (#683)

* Support auto-detect platform when running on EKS or GKE

* Change to get platform name from `kubectl version`

* fix regexp and add test

* Update Server Version match for EKS

* try to get version info from api sever at first

* Refactor group skip

changed group 'skip' from being a bool to be 'type' string as done in check

* Change skip: true -> type: skip

Co-authored-by: Huang Huang <mozillazg101@gmail.com>
Co-authored-by: Wicked <jason_attwood@hotmail.co.uk>
Co-authored-by: Christian Zunker <827818+czunker@users.noreply.github.com>
Co-authored-by: Kaiwalya Koparkar <kaiwalyakoparkar@gmail.com>
Co-authored-by: Yoav Rotem <yoavrotems97@gmail.com>