Build

doc: update and polish README.md #4214

Job	Run time
make static	49s
libnvme (debian, gcc, release)	55s
cross (ppc64le)	42s
cross (s390x)	42s
muon minimal static	32s
musl libc build on Debian	33s
cross (armhf)	50s
build libnvme and nvme-cli separately	46s
windows-msys2-ucrt64	1m 57s
musl libc minimal static build on Debian	29s
musl libc build on Alpine	40s
fallback shared libraries	-1s
nvme-cli (fedora, gcc, debug)	43s
nvme-cli (tumbleweed, gcc, release)	1m 15s
nvme-cli (fedora, gcc, release)	53s
nvme-cli (debian, gcc, debug)	50s
nvme-cli (debian, gcc, release)	59s
nvme-cli (fedora, clang, release)	50s
nvme-cli (tumbleweed, clang, debug)	54s
nvme-cli (tumbleweed, gcc, debug)	59s
nvme-cli (debian, clang, release)	1m 2s
nvme-cli (fedora, clang, debug)	47s
nvme-cli (tumbleweed, clang, release)	58s
nvme-cli (debian, clang, debug)	55s
	19m 59s

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