New tool - eks-node-viewer

[rickardosmith]

If you'd like to add a new link, then please keep ensure that the product or tool works with Amazon EKS. Please add a link that is EKS specific, instead of providing a link the product homepage

1. What is the name of the tool?
   eks-node-viewer

2. Link to EKS specific documentation.
   https://github.com/awslabs/eks-node-viewer