[Enhancement] GitLab document
I have few suggestions to add over gitlab side from our internal confluence page. Confluence pages:
- GitLab CI with Maven: https://www.ebi.ac.uk/seqdb/confluence/display/EXT/GitLab+CI+with+Maven
- GitLab EE: https://www.ebi.ac.uk/seqdb/confluence/display/EXT/Gitlab+EE+%2C+Web+Production+Instance
- Gitlab Usage: https://www.ebi.ac.uk/seqdb/confluence/display/EXT/Gitlab+Usage
Please review them.