Add Rio framework

Author: jgujerry

index.html

@@ -835,6 +835,22 @@ <h6 class="card-text"> - <i>Build decision apps in Python</i></h6>
           </div>
         </div>
 
+
+        <div class="col-12 col-6 col-sm-6 col-lg-3 mb-4">
+          <div class="card p-3">
+            <a href="https://rio.dev/" target="_blank">
+              <img class="card-img-top" src="static/image/logos/rio.png" alt="Rio" style="width: 50%; height: auto;">
+            </a>
+            <figure class="p-3 mb-0">
+              <blockquote class="blockquote">
+                <p>Build & share web apps in pure Python.</p>
+              </blockquote>
+            </figure>
+            <p class="card-text px-3"><small>No JavaScript, HTML and CSS needed.</small></p>
+          </div>
+        </div>
+
+
       </div>
     </div>
     <!-- ================End of Web Apps (Python UI)================ -->