feat: Add README.md files for agents and agree to copyright formattin… #3

Job	Run time
tests / Resolve PHP Version	5s
tests / Dependency Health	20s
tests / Run Tests (8.3)	18s
tests / Run Tests (8.4)	18s
tests / Run Tests (8.5)	21s
tests / Summarize Test Workflow	7s
	1m 29s

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