feat(scheduler): add scheduler documentation (#998)

Co-authored-by: VANOT Alexy <alexy.vanot@synchrotron-soleil.fr>
Co-authored-by: Yoganandan Pandiyan <132274772+yoganandaness@users.noreply.github.com>
Co-authored-by: Jekabs Karklins <58165815+jekabs-karklins@users.noreply.github.com>
Co-authored-by: jekabskarklins <jekabs.karklins@ess.eu>

Author: 5 people

.gitignore

@@ -6,3 +6,5 @@ apps/backend/node_modules
 apps/frontend/src/generated
 apps/backend/generated
 .DS_Store
+documentation/.venv
+documentation/site/