docs: add clean markdown version of all documentation pages #36470

Job	Run time
setup	2m 4s
Shard (0) Unit Tests	8m 21s
integration-tests-packages	12m 31s
Shard (1) Unit Tests	4m 50s
Shard (0) HTTP Integration Tests	11m 50s
Shard (0) Module Integration Tests	10m 9s
Shard (1) HTTP Integration Tests	8m 11s
Shard (1) Module Integration Tests	8m 53s
unit-tests	1s
integration-tests-modules	1s
integration-tests-http	1s
	1h 6m 52s

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