Merge pull request #731 from chrisduerr/import_external #1220

Job	Run time
clippy-check	3m 7s
format	27s
cargo-deny	34s
coverage-main	2m 55s
Documentation on Github Pages	1m 5s
check-minimal	1m 3s
coverage-tests	2m 49s
coverage-tests (server_system)	2m 57s
msrv	2m 16s
coverage-tests (client_system)	3m 2s
coverage-tests (client_system, server_system)	3m 5s
publish	55s
	24m 15s

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