Create User

If an external authentication mechanism is used, the login name should match the login name in the external system. If you are using LDAP authentication, you should also [update the LDAP mapping](https://docs.github.com/[email protected]/rest/enterprise-admin/ldap#update-ldap-mapping-for-a-user) for the user. The login name will be normalized to only contain alphanumeric characters or single hyphens. For example, if you send `"octo_cat"` as the login, a user named `"octo-cat"` will be cr...