chg: [eventGraph] initial work before implementing thumbnails support
chg: [eventGraph] initial work before implementing thumbnails support

FloatingGhost/MISP,MISP/MISP,MISP/MISP,FIRSTdotorg/MISP,SteveClement/MISP,SteveClement/MISP,FloatingGhost/MISP,SteveClement/MISP,SteveClement/MISP,MISP/MISP,MISP/MISP,FIRSTdotorg/MISP,MISP/MISP,FloatingGhost/MISP,SteveClement/MISP,FIRSTdotorg/MISP,FloatingGhost/MISP,FIRSTdotorg/MISP