Add docker compose settings to local aliases

- add support for borg backup NG context

- add support for borg backup NG context

- add support for crontabs in NG context

- add support for dynamic acme cert creation and updates

- add support for basic auth

- avoid nested volumes and move the files to /data directory

- avoid nested volumes and move the files to /data directory

- 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

docker/l3d#105 Also set new client host env variable in addition to remote host - and explicitly define `/dev/null` as destination for the xdebug log

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

Bump default version for Nginx to 1.21
Bump default version for Varnish to 6.0
Bump default version for Adminer to 4.6
Bump default version for phpMyAdmin to latest
Bump default version for WebGrind to 1
Add setting to turn on/off selenium service
Add service for elasticsearch