Ssa 6739 notification database support

docker-compose.yml

schema/README.md

schema/versions/ec2aab4ad517_notifications_init.py

services/notification/Dockerfile.dev

services/notification/Dockerfile.local

services/notification/README.md

services/notification/bin/boot-local.sh

services/notification/development.ini

services/notification/notification/server.py

services/notification/requirements.txt

services/notification/setup.py

services/notification/test/test_notifications.py

shared/workspaces/src/workspaces/notification_interfaces.py

shared/workspaces/src/workspaces/schema.py

shared/workspaces/src/workspaces/services.py