Add documentation for streaming and display related functions #957

Job	Run time
Build application (nanos)	1m 41s
Build application (nanos)	1m 41s
Build application (nanosp)	1m 45s
Build application (nanosp)	1m 45s
Build application (nanox)	1m 54s
Build application (nanox)	1m 54s
Build application (stax)	2m 5s
Build application (stax)	2m 5s
build_docker_tezos_ocaml / Build docker image	27s
build_docker_tezos_ocaml / Build docker image	27s
generate_samples_unit_tests	2m 5s
generate_samples_unit_tests	2m 6s
integration_tests_basic (nanos)	4m 19s
integration_tests_basic (nanos)	4m 19s
integration_tests_basic (nanosp)	4m 14s
integration_tests_basic (nanosp)	4m 14s
integration_tests_basic (nanox)	4m 16s
integration_tests_basic (nanox)	4m 16s
integration_tests_basic (stax)	6m 4s
integration_tests_basic (stax)	6m 4s
integration_tests_samples	0s
integration_tests_samples	0s
	57m 41s

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