refactor(server/esx): error messaging for esx 1.11 (#1833)

Author: Mycroft-Studios

modules/bridge/esx/server.lua

@@ -14,8 +14,11 @@ local ESX
 
 SetTimeout(500, function()
 	ESX = exports.es_extended:getSharedObject()
-
-	if ESX.CreatePickup then
+    local customInventory = ESX.GetConfig().CustomInventory
+        
+	if customInventory ~= nil and customInventory ~= "ox" then
+        error('ox_inventory requires Config.CustomInventory to be set to "ox" in the ESX Config.')
+    elseif ESX.CreatePickup then
 		error('ox_inventory requires a ESX Legacy v1.6.0 or above, refer to the documentation.')
 	end