fix(vzn-notify): export in esx integration

Author: SekulDev

pages/vzn-notify/Integration/esx.mdx

@@ -16,7 +16,7 @@ After this step the script should automatically works, but if not do next steps!
 
 ```lua copy filename="es_extended/client/functions.lua"
 function ESX.ShowNotification(message, notifyType, length)
-    exports['vzn-scripts']:esxNotification(notifyType, length, message)
+    exports['vzn-notify']:esxNotification(notifyType, length, message)
 end
 ```