docs: add ariakit to mini sponsors

Author: FezVrasta

src/components/Affiliates.js

@@ -156,6 +156,11 @@ const MINI_SPONSORS = [
     label: 'Dailycontributors Blog',
     url: 'https://dailycontributors.com',
   },
+  {
+    logo: require('../images/logos/sponsors/ariakit.svg'),
+    label: 'Ariakit - Toolkit for building accessible UIs',
+    url: 'https://ariakit.org/',
+  },
 ];
 
 const random = products.slice(0, 3);