* add windows ci testing clang and ninja
* attempt to use multi-config builds on msvc ci
* install deps for windows ci
* temporarily disable ci portions
* try clang-cl
* test x64 only
* try x64 for clang-cl
* specify clang-cl as C compiler
* attempt clang-cl with dep install
* ignore unused variable warning in sample02
* need to specify c compiler as glfw install is not being found
* try to ignore warning in standard clang fashion
* syntax fix
* cast procaddress to void* before final func type cast
* added more windows clang warning suppressions
* disable normal windows ci
* suppress warnings in raii samples
* suppress more warnings for tests
* more unused var suppressions for tests
* disable preinstall of deps in clang to prevent _ITERATOR_DEBUG_LEVEL mismatch
* suppress unused var warnings triggered in release mode
* add warning suppression to flags test
* fixed strided array proxy test
* fix structure chain test
* fix extension inspection test
* reenable all ci workflows
Andreas Süßenbach
Jan Kuhlmann