Add Windows to CI tests (#2968)

.github/scripts/windows-ci_configure_wrapper.ps1

@@ -0,0 +1,23 @@
+$compile_flags = @(
+	'-DCMAKE_POLICY_DEFAULT_CMP0141=NEW',
+	'-DCMAKE_MSVC_DEBUG_INFORMATION_FORMAT=Embedded',
+	'-DCMAKE_BUILD_TYPE=RelWithDebInfo'
+)
+
+switch ($env:RENDERER)
+{
+	'opengl' { $compile_flags += '-DMLN_WITH_OPENGL=ON'; break; }
+	'egl'    { $compile_flags += '-DMLN_WITH_EGL=ON'   ; break; }
+	'vulkan' { $compile_flags += @('-DMLN_WITH_VULKAN=ON', '-DMLN_WITH_OPENGL=OFF'); break; }
+	'osmesa' { $compile_flags += '-DMLN_WITH_OSMESA=ON'; break; }
+}
+
+switch ($env:RENDERING_MODE)
+{
+	'legacy'   { $compile_flags += '-DMLN_LEGACY_RENDERER=ON'  ; break; }
+	'drawable' { $compile_flags += '-DMLN_DRAWABLE_RENDERER=ON'; break; }
+}
+
+Write-Host 'Compile flags: ' $compile_flags
+
+& cmake -B build -G Ninja $($compile_flags)