Add K8S Network Section & Fix some typos

[marianod92]

What?

• Update K8S-EKS with Networking general considerations & examples
• Add reference to K8s-EKS Networking into main VPC Addressing Doc

Why?

• To reflect in the documentation the latest updates of the reference architecture

References

• Related & Solved Issue: https://github.com/binbashar/le-tf-infra-aws/issues/185

[marianod92]

[marianod92]

@marianod92 This PR looks great, thanks for your contribution. I've just requested some minor editions.

I would also like to request the possibility to add at the end of this section 👉🏼 https://leverage.binbash.com.ar/how-it-works/ref-architecture/ref-architecture-eks/ something similar to:

## Read More

!!! info "EKS Reference Architecture Specs" 
    In case you would like to further understand the different tech specs and configs for this Ref Arch you could find some details like at the [Features/Compute/K8s EKS section](../features/compute/k8s-eks/overview)

• Added Reference: