New CS131 link!

index.html

@@ -81,7 +81,7 @@ <h1 class="hero-title font-nexa">
               <em>currently</em>:
               <ul class="list-unstyled">
                 <li>masters student, cs @ ucla</li>
-                <li>ta for <a class="link-em" href="https://web.cs.ucla.edu/classes/winter23/cs131/index.html">cs 131</a> (<a class="link-em" href="https://mattxw.com/131slides">slides</a>)</li>
+                <li>ta for <a class="link-em" href="https://ucla-cs-131.github.io/spring-23/">cs 131</a> (<a class="link-em" href="https://mattxw.com/131slides">slides</a>)</li>
                 <li>
                   maintaining some open-source projects (including <a class="link-em jtd-link" href="https://github.com/just-the-docs/just-the-docs">
                    just-the-docs</a>)