* [FEATURE] Add configurable display name to frontend
This feature allows users with a LDAP backend to specify an attribute (default is "displayname") to retrieve a users name for the portal greeting.
Similarly for the file based backend a new required key "name" has been introduced.
This can also be used down the line with OIDC as a separate scope.
* Update references from Name to DisplayName
* Update compose bundles to include displayname refs
* Update LDAP automatic profile refresh
* Ensure display name is updated
* Fix bug which prevented trace logging for profile refresh to not trigger
* [FEATURE] Docker simplification and configuration generation
The Authelia binary now will attempt to generate configuration based on the latest template assuming that the config location specified on startup does not exist. If a file based backend is selected and the backend cannot be found similarly it will generate a `user_database.yml` based a template.
This will allow more seamless bootstrapping of an environment no matter the deployment method.
We have also squashed the Docker volume requirement down to just `/config` thus removing the requirement for `/var/lib/authelia` this is primarily in attempts to simplify the Docker deployment.
Users with the old volume mappings have two options:
1. Change their mappings to conform to `/config`
2. Change the container entrypoint from `authelia --config /config/configuration.yml` to their old mapping
* Adjust paths relative to `/etc/authelia` and simplify to single volume for compose
* Add generation for file backend based user database
* Refactor Docker volumes and paths to /config
* Refactor Docker WORKDIR to /app
* Fix integration tests
* Update BREAKING.md for v4.20.0
* Run go mod tidy
* Fix log_file_path in miscellaneous.md docs
* Generate config and userdb with 0600 permissions
* Fix log_file_path in config.template.yml
