[FEATURE] Add support for podcast in catalogs

[realChakrawarti]

Vibe coded v0.dev demo for inspiration: https://ingest-podcast.vercel.app/subscriptions

This feature will enable users to subscribe to any podcast with a RSS feed. The changes required for supporting will span both front-end and backend.

Code with prompts for reference: https://v0.app/chat/podcast-player-web-app-kCi7jbwBiIq

[marcos-vinicius14]

Hi! Can you assign me this issue?

[realChakrawarti]

Hi @marcos-vinicius14, assigned this issue to you.