docs: Add an overview of the day to day dev workflow

This should help folks who aren't familiar with repo and git

Change-Id: Id5544a4345653702a683f6a59356c79eb11e0cac
1 file changed
tree: 57ed6f4827f6bdfb47ad2cefb0eaa5a0fc0e3b44
  1. GettingStarted.md