docs: diagrams for callback, circuit breaker, client session, collecting parameter, colletion pipeline, combinator, command, commander, component, composite entity, composite view, composite, context object, converter, crtp, currying

combinator/README.md

@@ -35,6 +35,10 @@ Wikipedia says
 
 > A combinator is a higher-order function that uses only function application and earlier defined combinators to define a result from its arguments.
 
+Flowchart
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+![Combinator flowchart](./etc/combinator-flowchart.png)
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 ## Programmatic Example of Combinator Pattern in Java
 
 In software design, combinatory logic is pivotal for creating reusable and modular code components. By leveraging higher-order functions, the Combinator pattern promotes code reuse and maintainability in Java applications.