[#36] Implement monthly and weekly consumers

.env-email-daily

.env-email-monthly

.env-email-weekly

.isort.cfg

docker-compose.full.yml

docker-compose.yml

docker/activemq/conf/activemq.xml

docker/activemq/email_monthly_consumer.conf

docker/activemq/email_monthly_publisher.conf

docker/activemq/email_weekly_consumer.conf

docker/activemq/email_weekly_publisher.conf

notifications_consumer/config.py

notifications_consumer/processors/__init__.py

notifications_consumer/processors/email_feed/processor.py

...er/processors/email_feed/templates/feed_notification.html

...mer/processors/email_feed/templates/feed_notification.txt

scripts/docker-send-weekly-email.py