build

[common] add AVX/AVX2 memory copy implementations #2407

Job	Run time
docs	34s
host-linux	36s
client (gcc, g++, xdg-shell, Release)	40s
host-windows-cross	55s
client (gcc, g++, xdg-shell, Debug)	58s
host-windows-native	53s
module	26s
client (gcc, g++, libdecor, Release)	1m 9s
client (gcc, g++, libdecor, Debug)	56s
obs (gcc)	25s
client (clang, clang++, xdg-shell, Release)	57s
obs (clang)	38s
client (clang, clang++, xdg-shell, Debug)	48s
client (clang, clang++, libdecor, Release)	1m 9s
client (clang, clang++, libdecor, Debug)	53s
	11m 57s

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