Add/fix links in docs #19

Job	Run time
Linux-x86_64 with rust stable	1s
Linux-x86_64 with rust beta	1s
Linux-x86_64 with rust nightly	1s
Linux-aarch64 with rust stable	36s
Linux-aarch64 with rust beta	44s
Linux-aarch64 with rust nightly	42s
Linux-arm with rust stable	35s
Linux-arm with rust beta	43s
Linux-arm with rust nightly	45s
Linux-i686 with rust stable	33s
Linux-i686 with rust beta	44s
Linux-i686 with rust nightly	45s
Linux-powerpc with rust stable	33s
Linux-powerpc with rust beta	45s
Linux-powerpc with rust nightly	43s
Linux-powerpc64 with rust stable	46s
Linux-powerpc64 with rust beta	43s
Linux-powerpc64 with rust nightly	35s
Linux-powerpc64le with rust stable	30s
Linux-powerpc64le with rust beta	45s
Linux-powerpc64le with rust nightly	39s
Linux-riscv64 with rust stable	21s
Linux-riscv64 with rust beta	1s
Linux-riscv64 with rust nightly	1s
Linux-s390x with rust stable	1s
Linux-s390x with rust beta	1s
Linux-s390x with rust nightly	1s
Windows-i686 with rust stable	1s
Windows-i686 with rust beta	1s
Windows-i686 with rust nightly	1s
Windows-x86_64 with rust stable	1s
Windows-x86_64 with rust beta	1s
Windows-x86_64 with rust nightly	1s
macOS-x86_64 with rust stable	1s
macOS-x86_64 with rust beta	1s
macOS-x86_64 with rust nightly	1s
	12m 44s

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