Add `indicate` to characteristic properties
Add `indicate` to characteristic properties

yangchengwork/bleno,christopherdro/bleno,bigsan/bleno,yangchengwork/bleno,noahchense/bleno,leasual/bleno,popasquat89/bleno,robotastic/bleno,sandeepmistry/bleno,jacobrosenthal/bleno,noahchense/bleno,mira/bleno,leasual/bleno,kopiro/bleno,noahchense/bleno,i10a/bleno,leasual/bleno,yangchengwork/bleno,christopherdro/bleno,christopherdro/bleno