Please take a look at

Codeberg.org

RSSTR

Migrate podcasts to Nostr by turning any RSS feed into a Nostr Community.

The central idea is to turn feeds into "communities". See communities (you can take a peek at

Satellite

satellite.earth

) as decentralized "websites" with a comment section included. It replaces youtube/reddit/etc. It all depends on the client and how you want to present that content to the user, but ultimately the "backend" is the same -- Nostr.