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/src/copium/pipeline/ShaderReflector.h

@@ -0,0 +1,25 @@
+#pragma once
+
+#include "copium/pipeline/ShaderBinding.h"
+
+#include <string>
+#include <set>
+
+namespace Copium
+{
+  class ShaderReflector
+  {
+  public:
+    std::set<ShaderBinding> bindings;
+  public:
+    ShaderReflector(const std::string& vertexGlslFile, const std::string& fragmentGlslFile);
+
+  private:
+    void ParseGlslFile(const std::string& glslFile, ShaderType type);
+    void ParseLine(const std::string& str, int& index);
+    void ParseWhitespace(const std::string& str, int& index);
+    void ParseLayout(const std::string& str, int& index, ShaderType type);
+    std::string_view ParseWord(const std::string& str, int& index);
+    void ParseUniformBuffer(const std::string& str, int& index, ShaderBinding& binding);
+  };
+}