Remove `(UI).tempDataDirectory`

Extend golangci-lint timeout to 5 minutes

Check unchecked errors

Remove unused `fmt` import

Switch to self-made torrent streaming engine instead of peerflix

Update demo

Fix torrent files display

Fix unhandled error

Handle multiple files torrent

Allow untrusted torrents

Implement customizable video player

Rework architecture

Update documentation

Link peerflix to the official repository

Add peerflix requirement