Update Dev and Maint Guide

Description

Update Dev and Maint Guide to be more thorough similar to Gitlab Dev and Maint Guide

added argocd kinddocs priority3 labels

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added teamDevelopment & Ops label

@matt.vasquez this issue has been inactive for 30 days and is being labelled as stale. If this issue is still required please take action by removing the stale label and commenting with an update, status, or justification. If this issue is not required please close it or label it as delete-me. If no action is taken this issue will be auto closed in 60 days.

added stale label

removed stale label