Fix gamma rendering issues

- Remove gamma correction from the Vulkan renderer
- Add SamplerCreator, used to specify Min/Mag filter
- Add character texture to example project
- Add AnimationSystem, DebugSystem and UiRenderSystem to example project

CopiumEngine/src/copium/core/Window.cpp

@@ -118,6 +118,8 @@ namespace Copium
 
   void Window::KeyCallback(GLFWwindow* glfwWindow, int key, int scancode, int action, int mods)
   {
+    if (key == -1) // For some reason media keys count as keys with value -1
+      return;
     try
     {
       if (action == GLFW_PRESS)