Merge 'readme' into HEAD #1891

Job	Run time
config	5s
fuzz smoke test	38s
win+VS build	0s
win build	1m 36s
sparse	4m 49s
static-analysis	3m 46s
documentation	5m 15s
almalinux-8 (almalinux:8)	1m 9s
debian-11 (debian:11)	1m 20s
linux32 (i386/ubuntu:focal)	1m 53s
linux-musl (alpine)	1m 34s
win+VS test	0s
pedantic (fedora)	1m 18s
linux-asan-ubsan (ubuntu-latest)	1m 59s
linux-gcc (ubuntu-20.04)	1m 24s
linux-gcc-default (ubuntu-latest)	1m 9s
linux-meson (ubuntu-latest)	38s
linux-leaks (ubuntu-latest)	48s
linux-reftable (ubuntu-latest)	1m 19s
linux-reftable-leaks (ubuntu-latest)	1m 5s
linux-sha256 (ubuntu-latest)	1m 23s
linux-TEST-vars (ubuntu-20.04)	1m 12s
osx-clang (macos-13)	24s
osx-gcc (macos-13)	30s
osx-meson (macos-13)	35s
osx-reftable (macos-13)	27s
win test	0s
	36m 16s

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