https://vulkan-tutorial.com/en/Drawing_a_triangle/Graphics_pipeline_basics/Shader_modules

Reached shader lessons. Stopping to refactor code.

Shaders/shader.frag

@@ -0,0 +1,9 @@
+#version 450
+
+layout(location = 0) in vec3 fragColor;
+
+layout(location = 0) out vec4 outColor;
+
+void main() {
+    outColor = vec4(fragColor, 1.0);
+}