Add Guinness world record entry

Author: brianjester

README.md

@@ -15,6 +15,7 @@ Brian Jester's Portfolio - IndexFlip, DMR QRZ, Cabrillo Log, SOTA logs, Castles
 - [Passive Income Projects](https://brianjester.github.io/passive-income) - Here's our chart of passive income from our side projects.
 - [Morse Code Key](https://brianjester.github.io/morse) - In-browser Morse code key, for use on PC with mouse.
 - [USGS Earthquake Map - Express + Mapbox](https://github.com/brianjester/myExpressApp) - Created with VS Code + Gemini Code Assist plugin
+- [Promethius Insights](https://github.com/brianjester-cognizant2/finops/) - Guiness World Record team entry for largest Gen AI Hackathon
 
 ## Contributing