Docs about Default and Other Config Options

[ranchodeluxe]

Background:

We need some architecture diagrams showing what the default helm-chart does for you and how some of the optional params change that (mostly around ALB versus NLB)

AC:

• docs and architecture diagrams for default helm chart
• docs and architecture diagrams for ALB versus NLB
• docs around other optional configs

[ranchodeluxe]

With #37 we have all the above