docs(common): Add rozetka to who-uses

Author: Roman Kovalenko

content/discover/who-uses.json

@@ -247,6 +247,7 @@
     "https://selleo.com",
     "https://pchas.ir",
     "https://tayeh.ir",
-    "https://forwardigital.co.uk"
+    "https://forwardigital.co.uk",
+    "https://rozetka.com.ua"
   ]
 }