Update num models

Author: chhzh123

index.html

@@ -664,7 +664,7 @@
     <img class="inst-logo inst-logo-nvidia"  src="assets/nvidia.svg"  alt="NVIDIA">
   </div>
   <div class="stats-row">
-    <div class="stat-card"><div class="stat-num">19</div><div class="stat-label">Models Evaluated</div></div>
+    <div class="stat-card"><div class="stat-num">20</div><div class="stat-label">Models Evaluated</div></div>
     <div class="stat-card"><div class="stat-num">9</div><div class="stat-label">Problems</div></div>
     <div class="stat-card"><div class="stat-num">4</div><div class="stat-label">Domains</div></div>
     <div class="stat-card"><div class="stat-num">218</div><div class="stat-label">Test Cases</div></div>