Function Composition pattern

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Introduce the Function Composition pattern to enhance modularity and code reusability by composing complex functionalities from simpler functions.

For additional information, see the following links:

• https://www.baeldung.com/java-functional-programming
• https://functionalprogramming.medium.com/function-composition-in-java-beaf39426f52

Acceptance Criteria:

• Pattern Implementation: The Function Composition pattern should be correctly implemented in Java, demonstrating how smaller functions can be composed into more complex ones.
• Documentation and Examples: Provide comprehensive documentation in the README, including a clear explanation of the pattern, its applicability, and a real-world example illustrating its use.
• Test Coverage: Ensure the implementation is fully covered by unit tests, demonstrating the correctness and effectiveness of the function composition.