Merge branch 'add-copy-link-to-design-notes' into 'master'

Design note: Add copy link option

See merge request https://gitlab.com/gitlab-org/gitlab/-/merge_requests/135368



Merged-by: Michael Lunøe <michael.lunoe@gmail.com>
Approved-by: Julia Miocene <jmiocene@gitlab.com>
Approved-by: Lorenz van Herwaarden <lvanherwaarden@gitlab.com>
Approved-by: Michael Lunøe <michael.lunoe@gmail.com>
Reviewed-by: Sascha Eggenberger <seggenberger@gitlab.com>
Reviewed-by: Lorenz van Herwaarden <lvanherwaarden@gitlab.com>
Co-authored-by: Sascha Eggenberger <seggenberger@gitlab.com>