feat(clone): add git-like clone command and docs #112

Job	Run time
build (x86_64-unknown-linux-gnu, ubuntu-latest)	2m 21s
build (aarch64-apple-darwin, macos-latest)	2m 21s
build-linux-host-simd	5m 36s
build (aarch64-unknown-linux-gnu, ubuntu-latest)	4m 13s
build (x86_64-apple-darwin, macos-latest)	2m 18s
release	12s
	17m 1s

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