Set db backup cronjob on production sites only on main branch and bring back the crontabs enable variable

Code style

Add docker compose settings to local aliases

- add support for borg backup NG context

- add support for crontabs in NG context

- Take basic auth config from .lakedrops.yml instead of env variables

- add support for basic auth

- fix projectname

- use proxy ip placeholder
- use a volume for redis
- fix projectname
- restart policy for redis and mailhog

- Define project name and add that to the docker compose file
- Define containers to automatically restart
- Add mailhog container on staging sites

Updating config also updates Drupal environment if available

#48 Use traefik-public as public network and the project specific network only internally