chore: Refactor CMakeLists.txt and app.cmake files for better organization

src/app/app.cmake

@@ -1,4 +1,7 @@
+include(app/core/core.cmake)
 include(app/editor/editor.cmake)
+include(app/gfx/gfx.cmake)
+include(app/gui/gui.cmake)
 include(app/zelda3/zelda3.cmake)
 
 add_executable(

src/app/core/core.cmake

@@ -0,0 +1,32 @@
+set(
+  YAZE_APP_CORE_SRC
+  app/core/common.cc
+  app/core/controller.cc
+  app/core/labeling.cc
+  app/emu/emulator.cc
+  app/core/message.cc
+)
+
+if (WIN32 OR MINGW OR UNIX AND NOT APPLE)
+  list(APPEND YAZE_APP_CORE_SRC
+    app/core/platform/font_loader.cc
+    app/core/platform/clipboard.cc
+    app/core/platform/file_dialog.cc
+  )
+endif()
+
+if(APPLE)
+    list(APPEND YAZE_APP_CORE_SRC 
+      app/core/platform/file_dialog.mm
+      app/core/platform/app_delegate.mm
+      app/core/platform/font_loader.mm
+      app/core/platform/clipboard.mm
+      app/core/platform/file_path.mm
+    )
+
+    find_library(COCOA_LIBRARY Cocoa)
+    if(NOT COCOA_LIBRARY)
+        message(FATAL_ERROR "Cocoa not found")
+    endif()
+    set(CMAKE_EXE_LINKER_FLAGS "-framework ServiceManagement -framework Foundation -framework Cocoa")
+endif()

src/app/editor/graphics/graphics_editor.cc

@@ -11,7 +11,7 @@
 #include "app/gfx/scad_format.h"
 #include "app/gfx/snes_palette.h"
 #include "app/gfx/snes_tile.h"
-#include "app/gui/asset_browser.h"
+#include "app/gui/modules/asset_browser.h"
 #include "app/gui/canvas.h"
 #include "app/gui/color.h"
 #include "app/gui/input.h"

src/app/editor/graphics/graphics_editor.h

@@ -8,7 +8,7 @@
 #include "app/editor/utils/editor.h"
 #include "app/gfx/bitmap.h"
 #include "app/gfx/snes_tile.h"
-#include "app/gui/asset_browser.h"
+#include "app/gui/modules/asset_browser.h"
 #include "app/gui/canvas.h"
 #include "app/gui/input.h"
 #include "app/rom.h"

src/app/gfx/gfx.cmake

@@ -0,0 +1,10 @@
+set(
+  YAZE_APP_GFX_SRC
+  app/gfx/bitmap.cc
+  app/gfx/compression.cc
+  app/gfx/scad_format.cc
+  app/gfx/snes_palette.cc
+  app/gfx/snes_tile.cc
+  app/gfx/snes_color.cc
+  app/gfx/tilesheet.cc
+)

src/app/gui/gui.cmake

@@ -0,0 +1,9 @@
+set(
+  YAZE_GUI_SRC
+  app/gui/modules/asset_browser.cc
+  app/gui/canvas.cc
+  app/gui/input.cc
+  app/gui/style.cc
+  app/gui/color.cc
+  app/gui/zeml.cc
+)