Notification Engine for AstraPay

Initiating use of firebase cloud messaging for push notification engine creation for system push notification. e.g. user can get notification from AstraPay if they’re success buy the airtime; Initiating use of firebase cloud messaging for broadcasting push notification for marketing needs. also intiating the use of firebase in app messaging; Initiating to redirect notification intent to AstraPay blog for promotion information; Initating to Revamp UI AstraPay from 1.0 to 1.1