Refactor UniformBuffers and DescriptorSets

- Refactor UniformBuffers to keep track of the uniforms it contains
- Refactor DescriptorSets to initialize UniformsBuffers and keep track
  of all its bindings
- DescriptorSets can now be created from the Pipeline
- Add custom DescriptorSets to Renderer

CopiumEngine/res/shaders/renderer.vert

@@ -1,6 +1,6 @@
 #version 450
 
-layout(location = 0) in vec3 inPosition;
+layout(location = 0) in vec2 inPosition;
 layout(location = 1) in vec3 inColor;
 layout(location = 2) in vec2 inTexCoord;
 layout(location = 3) in int inTexIndex;
@@ -9,9 +9,15 @@ layout(location = 0) out vec3 fragColor;
 layout(location = 1) out vec2 fragTexCoord;
 layout(location = 2) out int fragTexIndex;
 
+layout(set = 1, binding = 0) uniform SceneUniformBufferObject
+{
+  mat4 projection;
+  mat4 view;
+} ubo;
+
 void main()
 {
-  gl_Position = vec4(inPosition, 1.0);
+  gl_Position = ubo.projection * ubo.view * vec4(inPosition, 0.0, 1.0);
   fragColor = inColor;
   fragTexCoord = inTexCoord;
   fragTexIndex = inTexIndex;