Add RSS Feed Support for FanFiction Sites

[canTuncPekkan]

I’d like to suggest adding support for downloading chapters or updates from fanfiction websites that provide RSS feeds for their works, These sites often provide RSS feed links for individual stories that would allow FanFicFare to more efficiently fetch new chapters or updates without having to manually search for the story or check for updates.

many websites use rss feeds on there websites to give indexes of there books chapters .

Here are some examples of RSS feed links for these sites (you would need to replace {book ID} with the actual book ID to make them work):

• Space Battles
  • https://forums.spacebattles.com/threads/threadmarks-updates.{book ID}/threadmarks.rss?threadmark_category=1
• Sufficient Velocity
  • I could not find the exact link but the change logs have something about rss feeds https://forums.sufficientvelocity.com/threads/changelog.56251/post-23993112
• Royal Road
  • https://www.royalroad.com/fiction/syndication/{book ID}

Additional Context:
RSS feeds are commonly used by websites to provide structured, automated feeds of updates or content. Many fanfiction platforms (such as the ones listed above) offer RSS links that can be used to track story updates, and integrating this support would be a great way to make FanFicFare more flexible.

for more information on rss feeds visit (https://github.com/AboutRSS/ALL-about-RSS?tab=readme-ov-file#an-image-to-explain-what-rss-is)