[Doxy] Exclude lexertk from doxygen generation
[Doxy] Exclude lexertk from doxygen generation

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