Implement email processor logic

Under https://gitlab.cern.ch/push-notifications/notifications-consumer/-/blob/master/notifications_consumer/processors/email/processor.py

Implement method read_message #L28
Implement method process #L24: Should consumed arguments obtained from read_message and send an email

Under https://gitlab.cern.ch/push-notifications/notifications-consumer/-/blob/master/notifications_consumer/processors/email/templates

Implement basic sample templates

Edited Nov 03, 2020 by Carina Antunes