OAuth docs: documented the OAuth authorization flow and how to register your application Account docs: documented getting/updating user profile data documented getting/updating user email data Docker-DCO-1.1-Signed-off-by: Josh hawn <josh.hawn@docker.com> (github: jlhawn) Upstream-commit: 00bb76f35b4d21d0aaddb23f93d663ec02faea1a Component: engine