[Feature Request] Safe-Box Integration

_There is a [closed discussion]( about this feature. Discussion is locked so I re-open the same here_ Description As a user of an safe-deposit electronic box, I would like to send some documents in this safe place. A french example of safe-deposit electronic box is " There is an api : There are similar services which can be interesting : Example with Digiposte ( Feature 1: Configure Digiposte Safe: I would like the ability to configure my Digiposte safe directly from Paperless-ngx. This includes setting up the safe, managing access controls, and defining storage preferences within Digiposte, all from the Paperless-ngx interface. This streamlined configuration process will simplify the user experience and ensure a seamless connection between the two platforms. Feature 2: Synchronize Documents via Tags: I need the capability to assign a specific tag to documents within Paperless-ngx and synchronize all documents associated with this tag to my Digiposte s…