feat(vulkan): vulkan 1.4 core with the user interface and the launcher, shaders split into ogl46/vk14 with SPIR-V binaries loaded first

shaders/ogl46/alphashadowmap.frag

@@ -0,0 +1,12 @@
+#version 460 core
+#define STAGE_FRAGMENT 1
+layout(location = 2) in vec2 f_coord;
+
+#pragma texture(tex1, 0, sRGB_A)
+layout(binding = 0) uniform sampler2D tex1;
+
+void main()
+{
+	if (texture(tex1, f_coord).a < 0.5f)
+		discard;
+}