Extend http filter docs #13585

Job	Run time
check_if_release_branch	1s
changed_files	6s
towncrier_check	6s
build mirrord CLI	0s
test_agent_image	6m 42s
lint	3m 23s
check-rust-docs	1m 10s
macos_tests	21m 41s
integration_tests	12m 1s
test_agent	3m 16s
test_cli_image	7m 22s
lint_markdown	0s
e2e (docker)	12m 58s
e2e (containerd)	13m 18s
intellij_e2e_on_release_branch	0s
vscode_e2e_on_release_branch	0s
ci	1s
	1h 22m 5s

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