Add paperless-ngx service
This PR adds a new service called paperless-ngx
The service is an upgrade of paperless-ng, which is an upgrade of the older version of "Paperless". "Paperless" is already present here in this repo.
Compared to "Paperless" or "Paperless-ng" services, the development of this service is still continues.
I mostly prefer to use this version of Paperless as it adds a new UI as well as the possibility to add documents through the UI. I've never used the "consume" folder.