Add Team Member (legacy)

The "Add team member" endpoint (described below) is deprecated. We recommend using the [Add or update team membership for a user](https://docs.github.com/[email protected]/rest/teams/members#add-or-update-team-membership-for-a-user) endpoint instead. It allows you to invite new organization members to your teams. Team synchronization is available for organizations using GitHub Enterprise Cloud. For more information, see [GitHub's products](https://docs.github.com/[email protected]/g...