Request to merge changes made by Teo in the master branch

Some new functions introduced to the original annotator tool. New - line annotator made, made documentation. Mostly merge is needed because of documentation.

Status changed to closed

Status changed to reopened

Reassigned to @andre.anjos

Added 2 commits:

• 6334f131 - [ci] added .gitlab-ci.yml
• 6b336049 - [ci] migration

mentioned in commit e0702daf

Status changed to merged