Author: Dani Palou
MDL-67806 tool_mobile: Add Dark mode option in disabled features
We must allow site admins to remotely disable that feature in the app
http://git.moodle.org/gw?p=moodle.git;a=commit;h=c1bc5df576a26f19265be60269f6b3bee3d63edb
http://github.com/moodle/moodle/commit/c1bc5df576a26f19265be60269f6b3bee3d63edb
+ 3.7 en [darkmode,tool_mobile]