Added initial implementation of the SDL Pixels category.

Co-authored-by: Copilot <copilot@github.com>

include/hdk/sdl/pixels.hpp

@@ -0,0 +1,14 @@
+#pragma once
+/** @file pixels.hpp
+ * @brief glue together various pixel related wrappers that have circular dependencies
+ */
+#include "pixels/PixelFormat.hpp"
+#include "pixels/PixelFormatDetails.hpp"
+#include "pixels/Palette.hpp"
+
+/** Pixels are a complex subject. */
+namespace hdk::sdl {
+  /** @see https://wiki.libsdl.org/SDL3/SDL_GetPixelFormatDetails */
+  PixelFormatDetails PixelFormat::GetDetails() const { return PixelFormatDetails::Get(*this); }
+  
+}