cmake

Fix CE due to missing snitch_main.hpp #574

Job	Run time
Install Ubuntu GCC static Release	14s
Install Ubuntu GCC header-only Release	16s
Install Ubuntu GCC shared Release	12s
Ubuntu GCC Release	1m 56s
Ubuntu GCC Debug	1m 5s
Ubuntu GCC disabled Release	6s
Ubuntu GCC disabled Debug	6s
Ubuntu GCC noexcept Release	1m 2s
Ubuntu GCC noexcept Debug	46s
Ubuntu GCC notime Release	1m 20s
Ubuntu GCC notime Debug	47s
Ubuntu GCC nounity Release	1m 14s
Ubuntu GCC nounity Debug	51s
Ubuntu GCC header-only Release	1m 19s
Ubuntu GCC header-only Debug	46s
Ubuntu GCC shared Release	1m 17s
Ubuntu GCC shared Debug	47s
Ubuntu Clang Release	1m 20s
Ubuntu Clang Debug	56s
Ubuntu Clang noexcept Release	1m 4s
Ubuntu Clang noexcept Debug	50s
Windows 32 Release	2m 18s
Windows 32 Debug	1m 50s
Windows 64 Release	2m 37s
Windows 64 Debug	1m 54s
Windows 64 noexcept Release	3m 1s
Windows 64 noexcept Debug	1m 22s
Windows 64 shared Release	3m 19s
Windows 64 shared Debug	2m 2s
MacOS Release	44s
MacOS Debug	40s
MacOS noexcept Release	35s
MacOS noexcept Debug	28s
WebAssembly Release	4m 8s
WebAssembly Debug	1m 46s
WebAssembly noexcept Release	1m 30s
WebAssembly noexcept Debug	1m 10s
	47m 38s

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