Update readme

README.md

@@ -10,6 +10,7 @@ This repository contains code to compile my PhD dissertation, as well as the thr
  * [`theory.pdf`](https://stanmart.github.io/phd-thesis/theory.pdf): A paper with an abstract, theoretical treatment of the problem.
  * [`application.pdf`](https://stanmart.github.io/phd-thesis/application.pdf): An IO paper about a hybrid platform, which engages in bargaining with the fringe entrants.
  * [`experiment.pdf`](https://stanmart.github.io/phd-thesis/experiment.pdf): A lab experiment that examines the outcomes of bargaining and coalition formation in a setting with one indispensable and two smaller players.
+ * [`defense.html`](https://stanmart.github.io/phd-thesis/defense.html): The slides for the defense, which provide a high-level overview of the dissertation.
 
 > [!TIP]
 > The code for the papers and the analysis were tracked in different repositories during the majority of their development.