added distances() to SiameseNetwork
added distances() to SiameseNetwork

MohammedWasim/deeppy,hendrikTpl/deeppy,nishantsbi/deeppy,appapantula/deeppy,mhdella/deeppy,LWHTarena/deeppy,deepesch/deeppy,redreamality/deeppy,lre/deeppy,rakeshkurakula/deeppy,bssrdf/deeppy,rajat1994/deeppy,andersbll/deeppy,ilo10/deeppy,manashmndl/deeppy,mqyqlx/deeppy,andersbll/deeppy_experimental,3manuek/deeppy