docs(README): add link to the app

Author: amyheather

README.md

@@ -9,7 +9,7 @@ This repository is complementary to:
 
 It contains the final formatted code from each of the SimPy discrete-event simulation models that were generated by Perplexity as part of that project. The web apps are deployed as a single app on Streamlit Community Cloud.
 
-**Link to the deployed app:** <!--TODO: Add link-->
+**Link to the deployed app:** https://llm-simpy.streamlit.app/
 
 **Code:** The final formatted code from each stage are stored in 📁`pages\`: