Merge branch 'documentation'

.gitlab-ci.yml

doc/README.md

doc/source/404.md

doc/source/_static/css/custom.css

doc/source/_templates/footer.html

doc/source/_templates/layout.html

doc/source/administrator/api/api.rst

doc/source/administrator/api/api_vitis.md

doc/source/administrator/configuration/active_directory.md

doc/source/administrator/configuration/base_de_donnees.md

doc/source/administrator/configuration/index.rst

doc/source/administrator/configuration/index_general.rst

...rce/administrator/configuration/informations_generales.md

doc/source/administrator/configuration/interface.md

doc/source/administrator/configuration/journaux.md

doc/source/administrator/configuration/modeles_e-mail.md

doc/source/administrator/configuration/serveur_php.md

doc/source/administrator/configuration/smtp.md

doc/source/administrator/index.rst

doc/source/administrator/journaux.md