Added code link

Author: jgeldenbott

index.html

@@ -95,7 +95,7 @@ <h1 class="title is-1 publication-title">Legible and Proactive Robot Planning fo
 
                   <!-- Github link -->
                   <span class="link-block">
-                    <a href="https://github.com/YOUR REPO HERE" target="_blank"
+                    <a href="https://github.com/UW-CTRL/PHRI.jl" target="_blank"
                     class="external-link button is-normal is-rounded is-dark">
                     <span class="icon">
                       <i class="fab fa-github"></i>