Added example how to register the loaded systems via loadNamespace

README.md

@@ -143,6 +143,23 @@ local Systems = {}
 Concord.utils.loadNamespace("path/to/systems", Systems)
 
 print(Systems.systemName)
+
+-- Registers the loaded systems. Either with a for loop for automatic registering, or manually (you can choose the order)
+
+
+--for loop
+for _, system in pairs(Systems) do
+  world:addSystem(system)
+end
+
+-- or manually
+world:addSystems(
+  Systems.HealthSystem,
+  Systems.DamageSystem,
+  Systems.MoveSystem,
+  -- etc
+)
+
 ```
 
 #### Method chaining