Split engine to packages NazaraUtils and NZSL (#375)

* Move code to NazaraUtils and NZSL packages

* Reorder includes

* Tests: Remove glslang and spirv-tools deps

* Tests: Remove glslang init

* Remove NazaraUtils tests and fix Vector4Test

* Fix Linux compilation

* Update msys2-build.yml

* Fix assimp package

* Update xmake.lua

* Update xmake.lua

* Fix shader compilation on MinGW

* Final fixes

* The final fix 2: the fix strikes back!

* Disable cache on CI

* The return of the fix™️

include/Nazara/Core/Clock.hpp

@@ -8,6 +8,7 @@
 #define NAZARA_CORE_CLOCK_HPP
 
 #include <Nazara/Prerequisites.hpp>
+#include <Nazara/Core/Config.hpp>
 
 namespace Nz
 {