doc: Update README for modelforge->foundry name change.

Author: roccomoretti

README.md

@@ -12,7 +12,7 @@
 
 > **⚠️ Notice:** We are currently finalizing some cleanup work within our repositories. Please expect the APIs (e.g., function and class names, inputs and outputs) to stabilize within the next one week. Thank you for your patience!
 
-If you're looking for the models themselves (e.g., RF3, MPNN) that integrate with AtomWorks rather than the underlying framework, check out [ModelForge](https://github.com/RosettaCommons/modelforge)
+If you're looking for the models themselves (e.g., RF3, RFD3, MPNN) that integrate with AtomWorks rather than the underlying framework, check out [Foundry](https://github.com/RosettaCommons/foundry)
 
 > **💡 Note:** Not sure where to start? We've made some [examples in the AtomWorks documentation](https://rosettacommons.github.io/atomworks/latest/auto_examples/index.html) that work through several helpful scenarios; a full tutorial is under construction!