Documentation Update: Properly create tags and aliases, add workflow to delete unwanted / old versions (#1355)
Signed-off-by: Mario Sarcher <msarcher@mirantis.com>

Documentation: only create new tag and update alias "latest" on release publish (not for pre-releases), master contains always the docs generated from last master branch commit
Signed-off-by: Mario Sarcher <msarcher@mirantis.com>

Documentation: only create new tag and update alias "latest" on release publish (not for pre-releases), master contains always the docs generated from last master branch commit
Signed-off-by: Mario Sarcher <msarcher@mirantis.com>

Generate pre-release docs until Lens 4.0.0 is GA, see #1408
Signed-off-by: Mario Sarcher <msarcher@mirantis.com>
Co-authored-by: Mario Sarcher <msarcher@mirantis.com>