docs: add naked objects architecture diagram

naked-objects/README.md

@@ -44,6 +44,11 @@ Wikipedia says
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 > The naked object pattern's innovative feature arises by combining the 1st and 2nd principles into a 3rd principle: 3. The user interface shall be entirely automatically created from the definitions of the domain objects. This may be done using reflection or source code generation.
 
+Architecture diagram
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+![Naked Objects Architecture Diagram](./etc/naked-objects-architecture-diagram.png)
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+
 ## Programmatic Example of Naked Objects Pattern in Java
 
 Consider a simplified example with domain objects representing books and authors. In a Java-based application using the Naked Objects pattern, we define domain objects such as `Book` and `Author`. This example illustrates how Naked Objects can streamline user interface generation and domain object manipulation.