Merge branch 'tchu-add-zoekt-probe' into 'master'

Add zoekt probe

See merge request !216



Merged-by: Stan Hu <stanhu@gmail.com>
Approved-by: Stan Hu <stanhu@gmail.com>
Reviewed-by: GitLab Duo <gitlab-duo@gitlab.com>
Co-authored-by: Terri Chu <tchu@gitlab.com>