List skill versions
Version history for a visible skill, newest first.
Each version's snapshot is the row state before the edit that
created it. Returns {versions, total}.
GET
https://truememory-api.mvstg.com/skills/{skill_id}/versionsVersion history for a visible skill, newest first.
Each version's snapshot is the row state before the edit that
created it. Returns {versions, total}.
https://truememory-api.mvstg.com/skills/{skill_id}/versions