chg: [clustersRelations:add] Redirect to the index after adding a relation
chg: [clustersRelations:add] Redirect to the index after adding a
relation

SteveClement/MISP,MISP/MISP,SteveClement/MISP,MISP/MISP,SteveClement/MISP,MISP/MISP,SteveClement/MISP,SteveClement/MISP,MISP/MISP,MISP/MISP