docs: add page to describe cache access model #5512

Job	Run time
check_format_and_unit_tests	1m 28s
build / Special integration tests (21)	1m 54s
build / Special integration tests (24)	2m 43s
build / Special integration tests (17)	1m 51s
build / httpclient-tests (vertx) / Integration tests (24, 1.32.0, vertx)	22m 36s
build / httpclient-tests (jdk) / Integration tests (24, 1.32.0, jdk)	22m 23s
build / httpclient-tests (jetty) / Integration tests (24, 1.32.0, jetty)	23m 17s
build / integration_tests (17, 1.30.12) / Integration tests (17, 1.30.12, vertx)	21m 37s
build / integration_tests (24, 1.33.1) / Integration tests (24, 1.33.1, vertx)	22m 45s
build / integration_tests (21, 1.30.12) / Integration tests (21, 1.30.12, vertx)	22m 7s
build / integration_tests (17, 1.31.8) / Integration tests (17, 1.31.8, vertx)	23m 16s
build / integration_tests (21, 1.33.1) / Integration tests (21, 1.33.1, vertx)	24m 19s
build / integration_tests (17, 1.32.4) / Integration tests (17, 1.32.4, vertx)	23m 5s
build / integration_tests (24, 1.30.12) / Integration tests (24, 1.30.12, vertx)	22m 0s
build / integration_tests (21, 1.32.4) / Integration tests (21, 1.32.4, vertx)	22m 6s
build / integration_tests (21, 1.31.8) / Integration tests (21, 1.31.8, vertx)	23m 17s
build / integration_tests (24, 1.31.8) / Integration tests (24, 1.31.8, vertx)	23m 26s
build / integration_tests (24, 1.32.4) / Integration tests (24, 1.32.4, vertx)	23m 13s
build / integration_tests (17, 1.33.1) / Integration tests (17, 1.33.1, vertx)	23m 10s
	5h 50m 33s

Provide feedback