add: [stix2 export] Added stix2 export view
add: [stix2 export] Added stix2 export view

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