Cover all basic resources for AWS

[ttarczynski]

• [x] #108
• [x] #110
• [x] #111
• [x] #113
• [x] #114
• [x] #116
• [x] #118
• [x] #117
• [x] #119
• [x] #120
• [x] #109

[ttarczynski]

Partially done:

• Kubernetes:
  • aws/aws_eks/fargate/spot_and_fargate
  • need to add a simple example
• IAM
  • aws/aws_iam/groups
  • need to add a simple example

[rodrigorras]

Started working on this branch https://github.com/ContainerSolutions/terraform-examples/tree/aws-persistent-storage-rodrigo for Storage persistent volume.