Add LF Energy presentation to readme (#222)

add LF energy talk to readme

Author: zakwatts

README.md

@@ -16,7 +16,12 @@ The forecast provides the expected generation in `kw` for 0 to 48 hours for a si
 
 Open Climate Fix also provides a commercial PV forecast, please get in touch at quartz.support@openclimatefix.org
 
-We recently presented the Quartz Solar Forecast project at FOSDEM 2024 (Free and Open source Software Developers' European Meeting), providing an introduction to Open Climate Fix's motivation for this project and its impact on aiding organizations in resource optimization. To learn more about predictive model's functionality, visit here: [Video Recording](https://www.youtube.com/watch?v=NAZ2VeiN1N8)
+Want to learn more about the project? We've presented Quartz Solar Forecast at two open source conferences:
+
+- **FOSDEM 2024** (Free and Open source Software Developers' European Meeting): How we built Open Quartz, our motivation behind it and its impact on aiding organizations in resource optimization [Watch the talk](https://www.youtube.com/watch?v=NAZ2VeiN1N8)
+
+- **LF Energy 2024**: Exploring Open Quartz's developments - new models, inverter APIs, and our Open Source journey at Open Climate Fix [Watch the talk](https://www.youtube.com/watch?v=YTaq41ztEDg)
+
 
 The current model uses GFS or ICON NWPs to predict the solar generation at a site