Update games.html

Author: mrbid

games.html

@@ -150,6 +150,7 @@ <h3>Puzzle</h3>
   </div>
   <div class="column">
     <h3>Racing</h3>
+    <a href="https://tuxkart.sourceforge.net/">TuxKart</a><br/>
     <a href="https://supertuxkart.net/">SuperTuxKart</a><br/>
     <a href="https://trigger-rally.sourceforge.io/">Trigger Rally</a><br/>
     <a href="https://jorio.itch.io/cromagrally">Cro-Mag Rally</a><br/>