docs(who-uses): add bewith.io to the list

Author: Eyal Levin

content/discover/who-uses.json

@@ -257,6 +257,7 @@
     "https://alexishr.com",
     "https://dyrector.io",
     "https://stijlbreuk.nl",
-    "https://polygon-software.ch"
+    "https://polygon-software.ch",
+    "https://bewith.io"
   ]
 }