Added Vulkan examples sources!

data/shaders/cubemap/skybox.vert

@@ -0,0 +1,20 @@
+#version 450
+
+#extension GL_ARB_separate_shader_objects : enable
+#extension GL_ARB_shading_language_420pack : enable
+
+layout (location = 0) in vec3 inPos;
+
+layout (binding = 0) uniform UBO 
+{
+	mat4 projection;
+	mat4 model;
+} ubo;
+
+layout (location = 0) out vec3 outUVW;
+
+void main() 
+{
+	outUVW = inPos;
+	gl_Position = ubo.projection * ubo.model * vec4(inPos.xyz, 1.0);
+}