Update README and HF UI.

Renamed feed retreival and parsing tool.

Added some fancy fallback options to handle requests for feeds that are not urls, also added caching so we don't have to look up the same feed URI more than once in a session.

Finished basic functions to find RSS feed uri and pull the feed.

Feed finder function done.

Refactored interface HTML elements and tool functions.

Added simple MCP server/Gradio interface demo.