add: [stix2 export] Exporting stix2-pattern MISP objects
add: [stix2 export] Exporting stix2-pattern MISP objects

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