Add aiohttp to approved frameworks

Author: Bluenix2

pydis_site/templates/events/pages/code-jams/9/frameworks.html

@@ -68,6 +68,20 @@ <h3 id="approved-frameworks"><a href="#approved-frameworks">Approved Frameworks<
         </div>
     </div>
 
+    <div class="card mb-4">
+        <div class="card-content">
+            <div class="content">
+                <p class="subtitle">AioHTTP</p>
+                <p>AioHTTP provides both a client and server WebSocket implementation, while avoiding callback-hell.
+                </p>
+            </div>
+        </div>
+        <div class="card-footer">
+            <a href="https://docs.aiohttp.org/en/stable/client_quickstart.html#websockets" class="card-footer-item"><i class="fas fa-book"></i>&ensp;Documentation</a>
+            <a href="https://github.com/aio-libs/aiohttp" class="card-footer-item"><i class="fab fa-github"></i>&ensp;GitHub</a>
+        </div>
+    </div>
+
     <div class="card mb-4">
         <div class="card-content">
             <div class="content">