Adding channels to SaaS Plaforms handbook
Please see https://gitlab.com/gitlab-com/gl-infra/mstaff/-/issues/267 for details.
Closes https://gitlab.com/gitlab-com/gl-infra/mstaff/-/issues/267
Edited by Rachel Nienaber
Please see https://gitlab.com/gitlab-com/gl-infra/mstaff/-/issues/267 for details.
Closes https://gitlab.com/gitlab-com/gl-infra/mstaff/-/issues/267