docs(2fauth): 📝 Added notes for db credentials and the first account being an administrator account

json/2fauth.json

@@ -30,5 +30,14 @@
       "username": null,
       "password": null
     },
-    "notes": []
+    "notes": [
+      {
+        "text": "Database credentials: `cat ~/2FAuth.creds`",
+        "type": "info"
+      },
+      {
+        "text": "The very first account created is automatically set up as an administrator account.",
+        "type": "info"
+      }
+    ]
   }