added doc for GetAll template
added doc for GetAll template

aamsur/bee,beego/bee,qida/bee,linkeo/bee,BorisBorshevsky/bee,layeka/bee,ogero/bee,qida/bee,kyawmyintthein/bee,amrfaissal/bee,tguangch/bee,franzwilhelm/bee,springning/bee,beego/bee