Dogsheep RSS feed

[chapmanjacobd]

Is your feature request related to a problem? Please describe.

rssadd rssupdate commands

Describe the solution you'd like

a stub exists in xklb/rss_extract.py. should probably keep using feedparser

[chapmanjacobd]

yt-dlp supports RSS feeds via Generic Extractor so the focus of this would be to support text content rather than audio/video RSS feeds