Update CLAUDE.md with sponsored proxy documentation
Updated documentation after format changes
moved formatting for NavigationTable, SectionHeader and NoticeBox tables to a styles (unfortunately Claude Code screwed up here, I had to manually fix a lot)
Add sponsored proxy option for rssshow.dummzeuch.de
added alternative (sponsoring) CORS proxy
Fix feed title link extraction for feeds with atom:link elements
Update CLAUDE.md to reflect current project status
Add comprehensive README.md documentation