Update README with group work and presentation links

Added links to group work summary and presentation.

Author: thnhmai06

README.md

@@ -5,6 +5,9 @@ Pacman Multi-Agent Project
 <img src="assets/pacman.png" width="400" align="center" />
 </h1>
 
+- **Group Work Summary:** https://canva.link/31d37l7f3vxk2is
+- **Presentation:** https://bit.ly/MultiAgentSearch
+
 This repository is set up as a complete Python project with:
 
 - a `pyproject.toml` project configuration