Add file structure to code

- Rename project to CopiumEngine

CopiumEngine/res/shaders/passthrough.vert

@@ -0,0 +1,11 @@
+#version 450
+
+layout(location = 0) in vec2 inPosition;
+
+layout(location = 0) out vec2 fragTexCoord;
+
+void main()
+{
+  gl_Position = vec4(inPosition * 0.5, 0.999, 1.0);
+  fragTexCoord = inPosition * 0.5 + 0.5;
+}