docs(who-uses): add remato.com

Author: viljark

content/discover/who-uses.json

@@ -277,6 +277,7 @@
     "https://evershop.io",
     "https://e-design.ca",
     "https://growthmill.com",
-    "https://tarken.com.br"
+    "https://tarken.com.br",
+    "https://remato.com"
   ]
 }