Add reference to Firefly III repository in README #44
Description
Description
Add a reference/link to the official Firefly III repository in the README.md to help users understand the upstream project this MCP server integrates with.
Suggested Changes
- Add a link to https://github.com/firefly-iii/firefly-iii in the README.md
- Consider adding it in the "Project Overview" or "About" section
- Could also add a note about Firefly III in the introduction
Context
Users should be able to easily find the Firefly III project to understand what this MCP server connects to and to learn more about Firefly III's capabilities.