added nus hackers events
added nus hackers events

webuildsg/webuild,webuildorg/webuild-repos,webuildorg/webuild-events,fredericksilva/webuild,webuildsg/webuild,fredericksilva/webuild,mbrochh/webuild,mbrochh/webuild,mbrochh/webuild,webuildsg/webuild,fredericksilva/webuild