Describe the solution you'd like

Matrix is an open standard for decentralized communication. It’s a collection of servers and services used for online messaging which speak a standardized API that synchronizes in real time.

Matrix uses homeservers to store your account information and chat history. They work in a similar way to how an email client connects to email servers through IMAP/S

Please use https://securityheaders.com/ if you want to do some testing yourself and get some feedback. But let's drop in a few thoughts on this:

Content-Security-Policy and Feature-Policy

We should definitely implement this headers as strict as possible to only use the browser features Navidrome needs. Meaning disabling features like webcam, geo, microphone et cetera. This would limit the