cubicweb-brainomics #2921396 handle favicon.ico post-install [deprecated]

Currently favicon.ico is set directly in the brainomics cube. It should be configurable in the instance directory in /etc/cubicweb.d/. if aldready feasible, please document it.

prioritynormal
typebug
done in<not specified>
load0.000
load left0.000
closed by<not specified>
patchrevert CEA favicon [rejected]CEA favicon [rejected]CEA favicon [rejected]