refactor(gfx): reorganize graphics includes and introduce new types

- Updated include paths for various graphics-related headers to improve organization and clarity.
- Introduced new types for SNES color, palette, and tile management, enhancing the structure of the graphics subsystem.
- Refactored existing code to utilize the new types, ensuring consistency across the codebase.

Benefits:
- Improves maintainability and readability of the graphics code.
- Facilitates future enhancements and optimizations within the graphics subsystem.

src/app/editor/message/message_editor.cc

@@ -6,12 +6,12 @@
 #include "absl/status/status.h"
 #include "absl/strings/str_cat.h"
 #include "absl/strings/str_format.h"
-#include "app/gfx/arena.h"
-#include "app/gfx/performance/performance_profiler.h"
+#include "app/gfx/resource/arena.h"
+#include "app/gfx/debug/performance/performance_profiler.h"
 #include "util/file_util.h"
-#include "app/gfx/bitmap.h"
-#include "app/gfx/snes_palette.h"
-#include "app/gfx/snes_tile.h"
+#include "app/gfx/core/bitmap.h"
+#include "app/gfx/types/snes_palette.h"
+#include "app/gfx/types/snes_tile.h"
 #include "app/gui/canvas.h"
 #include "app/gui/style.h"
 #include "app/gui/icons.h"

src/app/editor/message/message_editor.h

@@ -11,7 +11,7 @@
 #include "app/editor/message/message_preview.h"
 #include "app/gui/editor_card_manager.h"
 #include "app/gui/editor_layout.h"
-#include "app/gfx/bitmap.h"
+#include "app/gfx/core/bitmap.h"
 #include "app/gui/canvas.h"
 #include "app/gui/style.h"
 #include "app/rom.h"