Add Modal logo to gvisor.dev users page.

PiperOrigin-RevId: 618286015

website/users/index.html

@@ -160,7 +160,7 @@ layout: base
     <hr>
     <!-- Modal -->
     <div class="row display-flex no-space">
-      <div class="col-md-12">
+      <div class="col-md-8">
         <h2>
           <a href="https://www.modal.com" class="feature-link">
             Modal
@@ -183,6 +183,15 @@ layout: base
         (<a href="https://twitter.com/bernhardsson/status/1708929516955930699">source</a>).
         </p>
       </div>
+      <div class="col-md-4">
+        <div>
+          <img
+            src="/assets/logos/logo_modal.png"
+            alt="Modal logo"
+            title="Modal logo"
+            class="img-responsive img-vert-center" />
+        </div>
+      </div>
     </div>
     <!-- Tailscale -->
     <div class="row display-flex no-space">