Merge 'readme' into HEAD #5058

Job	Run time
config	5s
fuzz smoke test	7s
win build	4m 47s
win+VS build (arm64)	1m 27s
documentation	3m 26s
linux32 (daald/ubuntu32:xenial)	8m 22s
win+VS build (x64)	1m 7s
pedantic (fedora)	48s
linux-musl (alpine)	15s
sparse	25s
static-analysis	3m 40s
linux-asan-ubsan (ubuntu-latest)	31s
linux-gcc (ubuntu-20.04)	48s
linux-gcc-default (ubuntu-latest)	35s
linux-leaks (ubuntu-latest)	33s
linux-reftable (ubuntu-latest)	37s
linux-reftable-leaks (ubuntu-latest)	40s
linux-sha256 (ubuntu-latest)	37s
linux-TEST-vars (ubuntu-20.04)	38s
osx-clang (macos-13)	26s
osx-gcc (macos-13)	22s
osx-reftable (macos-13)	19s
win+VS test	0s
win test (1)	7m 17s
win test (0)	9m 54s
win test (3)	4m 15s
win test (2)	4m 41s
win test (4)	6m 46s
win test (5)	7m 53s
win test (6)	6m 32s
win test (7)	4m 57s
win test (8)	7m 45s
win test (9)	4m 52s
	1h 35m 27s

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