README.md - add breaking changes

README.md

@@ -31,6 +31,11 @@ Performance Ratio - see [C# ECS Benchmark](https://github.com/friflo/ECS.CSharp.
 
 ## News
 
+- [x] Breaking changes in `3.0.0-preview.16`
+  > [!IMPORTANT]
+  >   
+  > renamed `IRelationComponent<>` -> `IRelation<>`. See [Wiki ⋅ Relations](https://friflo.gitbook.io/friflo.engine.ecs/examples/component-types#relations)
+
 - [x] ![new](docs/images/new.svg) Finally **Friflo.Engine.ECS** is now in its own new repository!  
   The ECS is moved including its git history. Everything not related to the ECS is omitted.
 
@@ -195,6 +200,10 @@ All query optimizations are using the same `query` but with different enumeratio
 
 ## **⌘ Component Types**
 
+> [!IMPORTANT]
+> Breaking changes in `3.0.0-preview.16`  
+> renamed `IRelationComponent<>` -> `IRelation<>`. See [Wiki ⋅ Relations](https://friflo.gitbook.io/friflo.engine.ecs/examples/component-types#relations)
+
 ![new](docs/images/new.svg) in **Friflo.Engine.ECS v3.0.0-preview.2**
 
 For specific use cases there is now a set of specialized component interfaces providing additional features.