Add Belle2 style to the list of styles (#5550)
Add Belle2 style to the list of styles (#5550)


olifre/root,olifre/root,karies/root,karies/root,root-mirror/root,karies/root,root-mirror/root,root-mirror/root,karies/root,olifre/root,karies/root,olifre/root,olifre/root,root-mirror/root,root-mirror/root,karies/root,olifre/root,olifre/root,olifre/root,karies/root,karies/root,root-mirror/root,olifre/root,root-mirror/root,karies/root,root-mirror/root,olifre/root,karies/root,root-mirror/root,root-mirror/root,karies/root,root-mirror/root,olifre/root