new: [UI] Finished refactor of the side menu
new: [UI] Finished refactor of the side menu

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