+numbered lists +fix doc

doc for doc: added numbered lists

• doc fix @pancino, it seems you broke doc creation with change in api link. did I missed something ?

see :https://gitlab.esrf.fr/bliss/bliss/-/jobs/80522

 WARNING -  A relative path to 'api/index.html' is included in the 'nav' configuration, 
            which is not found in the documentation files 
Exited with 1 warnings in strict mode.
ERROR: Job failed: exit code 1