Mention RAxML as a new adoption case #8

Job	Run time
host-win-msvc	1m 19s
host-arm (armv7, none, none, g++-10)	3m 12s
coding-style	16s
host-win (x86_64)	44s
host-x86 (x86_64, g++-10)	1m 54s
host-win (armv7)	47s
host-arm (armv7, none, none, clang++-11)	3m 23s
host-x86 (x86_64, clang++-11)	25s
host-win (aarch64)	38s
host-arm (aarch64, none, none, g++-10)	2m 46s
host-arm (aarch64, none, none, clang++-11)	3m 21s
host-arm (aarch64, crypto+crc, none, g++-10)	2m 41s
host-arm (aarch64, crypto+crc, none, clang++-11)	3m 24s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, g++-10)	3m 15s
host-arm (armv7, none, -mcpu=cortex-a32 -mfpu=neon-fp-armv8, clang++-11)	3m 22s
test-win-msvc	54s
	32m 21s

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