create world example first

README.md

@@ -145,6 +145,10 @@ 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)
+-- Create World first, also see:
+[Worlds](#worlds)
+local myWorld = Concord.world()
+
 --for loop
 for _, system in pairs(Systems) do
   world:addSystem(system)