[doc] features about new correlation engine added
[doc] features about new correlation engine added

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