new: [api] first revision of the attribute export
new: [api] first revision of the attribute export

SteveClement/MISP,Rafiot/MISP,MISP/MISP,MISP/MISP,FIRSTdotorg/MISP,devnull-/MISP,devnull-/MISP,FloatingGhost/MISP,Rafiot/MISP,MISP/MISP,FloatingGhost/MISP,devnull-/MISP,FIRSTdotorg/MISP,SteveClement/MISP,SteveClement/MISP,SteveClement/MISP,Rafiot/MISP,MISP/MISP,devnull-/MISP,FIRSTdotorg/MISP,SteveClement/MISP,FloatingGhost/MISP,FloatingGhost/MISP,Rafiot/MISP,MISP/MISP,FIRSTdotorg/MISP