Set an icon for Quoridor in leader

web/projets/pro_quoridor.php

@@ -18,7 +18,7 @@
             <h1>
                 Quoridor
             </h1>
-            <img src="https://img.icons8.com/color/96/000000/code.png" alt="code flat icon">
+            <img src="../include/images/quoridor_96x96.png" alt="Quoridor icon" class="rounded">
             <h2>
                 TIPE 2017
             </h2>