Update RHI list

Author: halx99

index.html

@@ -320,8 +320,8 @@ <h2 class="mb-4">Advantages of Axmol</h2>
           <li class="list-group-item">📚 Abundant documentation and tutorials
             available online, with much of the existing Cocos2d-x documentation
             applicable to Axmol Engine with minimal modifications.</li>
-          <li class="list-group-item">⚙️ High performance, featuring OpenGL 2.0
-            and Metal support.</li>
+          <li class="list-group-item">⚙️ Cross-platform high-performance graphics, supporting OpenGL (DesktopGL 3.3, ES 2.0+ on Axmol v2, ES 3.0+ on Axmol v3), Metal, Direct3D 11/12, and Vulkan.
+.</li>
           <li class="list-group-item">🛠️ Powerful cross-platform build system
             via Axmol command line.</li>
         </ul>