Add pip #83

Job	Run time
prepare / build-docker-image (gcc, debian)	1m 45s
prepare / build-docker-image (gcc, ubuntu)	1m 17s
prepare / build-docker-image (clang, debian)	26s
prepare / build-docker-image (gcc, fedora)	1m 24s
prepare / build-docker-image (clang, arch)	1m 44s
prepare / build-docker-image (gcc, arch)	1m 35s
prepare / build-docker-image (clang, fedora)	2m 11s
prepare / build-docker-image (clang, ubuntu)	1m 29s
format / format	21s
lint / lint	21s
compile / Compile (gcc on debian)	4m 10s
compile / Compile (gcc on fedora)	2m 6s
compile / Compile (gcc on arch)	5m 2s
compile / Compile (gcc on ubuntu)	4m 22s
compile / Compile (clang on fedora)	1m 59s
compile / Compile (clang on arch)	5m 21s
compile / Compile (clang on debian)	4m 13s
compile / Compile (clang on ubuntu)	4m 7s
	43m 53s

Provide feedback