documentation: add traffic_reports API
documentation: add traffic_reports API

lrocheWB/navitia,kadhikari/navitia,kinnou02/navitia,prhod/navitia,francois-vincent/navitia,CanalTP/navitia,patochectp/navitia,thiphariel/navitia,ballouche/navitia,thiphariel/navitia,is06/navitia,lrocheWB/navitia,djludo/navitia,fueghan/navitia,is06/navitia,thiphariel/navitia,djludo/navitia,fueghan/navitia,fueghan/navitia,pbougue/navitia,CanalTP/navitia,thiphariel/navitia,VincentCATILLON/navitia,ballouche/navitia,prhod/navitia,xlqian/navitia,kadhikari/navitia,is06/navitia,Tisseo/navitia,kadhikari/navitia,Tisseo/navitia,prhod/navitia,CanalTP/navitia,Tisseo/navitia,Tisseo/navitia,lrocheWB/navitia,TeXitoi/navitia,xlqian/navitia,kinnou02/navitia,xlqian/navitia,pbougue/navitia,antoine-de/navitia,antoine-de/navitia,xlqian/navitia,francois-vincent/navitia,VincentCATILLON/navitia,Tisseo/navitia,kinnou02/navitia,francois-vincent/navitia,djludo/navitia,frodrigo/navitia,patochectp/navitia,CanalTP/navitia,antoine-de/navitia,TeXitoi/navitia,patochectp/navitia,frodrigo/navitia,xlqian/navitia,pbougue/navitia,antoine-de/navitia,pbougue/navitia,is06/navitia,francois-vincent/navitia,TeXitoi/navitia,kadhikari/navitia,frodrigo/navitia,VincentCATILLON/navitia,kinnou02/navitia,lrocheWB/navitia,ballouche/navitia,ballouche/navitia,VincentCATILLON/navitia,prhod/navitia,frodrigo/navitia,TeXitoi/navitia,CanalTP/navitia,djludo/navitia,patochectp/navitia,fueghan/navitia