Add Entity<>.IsEnabled

src/gaemstone.ECS/Entity.cs

@@ -77,6 +77,7 @@ public unsafe readonly partial struct Entity<TContext>
 		=> Add(FlecsBuiltIn.ChildOf, parent);
 
 	public bool IsDisabled =>  Has(FlecsBuiltIn.Disabled);
+	public bool IsEnabled  => !Has(FlecsBuiltIn.Disabled);
 	public Entity<TContext> Disable() => Add(FlecsBuiltIn.Disabled);
 	public Entity<TContext> Enable()  => Remove(FlecsBuiltIn.Disabled);