pre double pipeline commit. The following will attempt to add another rendering stage for textured cuboids.

shaders/cube.frag

@@ -0,0 +1,11 @@
+#version 450
+
+layout(location = 0) in vec3 fragColor;
+layout(location = 1) in vec2 fragTexCoord;
+
+layout(location = 0) out vec4 outColor;
+layout(binding = 1) uniform sampler2D texSampler;
+
+void main() {
+    outColor = vec4(fragColor, 1); //texture(texSampler, fragTexCoord);
+}