Update header.html
Update header.html

Added "Consultancy" into the drop down list
MrSaints/lsesu-enactus,MrSaints/Enactus-LSESU,MrSaints/lsesu-enactus,MrSaints/lsesu-enactus,MrSaints/Enactus-LSESU,MrSaints/Enactus-LSESU