Add `Alphabetic` distribution #1279

Job	Run time
Check doc	25s
Check Clippy and rustfmt	9s
test (ubuntu-latest, x86_64-unknown-linux-gnu, stable)	37s
test (macos-latest, x86_64-apple-darwin, stable)	46s
test (windows-latest, x86_64-pc-windows-gnu, stable)	3m 12s
test-cross (ubuntu-latest, powerpc-unknown-linux-gnu, stable)	54s
test (windows-latest, x86_64-pc-windows-msvc, beta)	1m 25s
test (ubuntu-latest, x86_64-unknown-linux-gnu, MSRV, 1.63.0)	2m 47s
test-ios	20s
test (ubuntu-latest, sudo apt-get update ; sudo apt install gcc-multilib, i686-unknown-linux-gnu,...	53s
test (ubuntu-latest, x86_64-unknown-linux-gnu, nightly, minimal_versions)	42s
test-miri	5m 7s
test-no-std	14s
	17m 31s

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