[FEATURE] Files transfer support

[picolino]

🚀 Feature Requests

In order to use this application as a chat we need to be able to transfer files through it (with additional limitations to secure data in protected environment)

Contextualize the feature

As a chat user I want to be able send some files through network directly, not only file content.

Describe the feature

Features to implement

• Send file to created p2p network
• Restrict file size to sent, be able to setup this limitations into settings
• ...?