docs(who-uses): add digando.com

Author: marteadrian-digando

content/discover/who-uses.json

@@ -280,6 +280,7 @@
     "https://tarken.com.br",
     "https://remato.com",
     "https://remberg.de/en",
-    "https://uninterrupted.tech"
+    "https://uninterrupted.tech",
+    "https://www.digando.com"
   ]
 }