refactor(app): reorganize application structure and update includes

- Moved core components such as `Controller` and `Window` from `src/app/core/` to `src/app/` and `src/app/platform/`, respectively, to improve modularity and clarity.
- Updated include paths across the codebase to reflect the new locations of these components.
- Introduced a new foundational core library in `src/core/` for project management and ROM patching logic, enhancing the separation of concerns.
- Adjusted CMake configurations to ensure proper compilation of the new core library and updated dependencies in various modules.

Benefits:
- Streamlines the application structure, making it easier to navigate and maintain.
- Enhances code organization by clearly delineating core functionalities from application-specific logic.
- Improves overall architecture by promoting a clearer separation of concerns between different components.

test/integration/editor/editor_integration_test.cc

@@ -4,7 +4,7 @@
 
 #include <SDL.h>
 
-#include "app/core/window.h"
+#include "app/platform/window.h"
 #include "app/gui/core/style.h"
 #include "imgui/backends/imgui_impl_sdl2.h"
 #include "imgui/backends/imgui_impl_sdlrenderer2.h"

test/integration/editor/editor_integration_test.h

@@ -6,8 +6,8 @@
 #include "imgui/imgui.h"
 #include "app/editor/editor.h"
 #include "app/rom.h"
-#include "app/core/controller.h"
-#include "app/core/window.h"
+#include "app/controller.h"
+#include "app/platform/window.h"
 #include "app/gfx/backend/sdl2_renderer.h"
 
 #ifdef YAZE_ENABLE_IMGUI_TEST_ENGINE
@@ -75,7 +75,7 @@ class EditorIntegrationTest {
   absl::Status TestEditorClear(editor::Editor* editor);
 
  private:
-  core::Controller controller_;
+  Controller controller_;
 #ifdef YAZE_ENABLE_IMGUI_TEST_ENGINE
   ImGuiTestEngine* engine_;
   bool show_demo_window_;

test/integration/editor/tile16_editor_test.cc

@@ -11,7 +11,7 @@
 #include "app/gfx/core/bitmap.h"
 #include "app/gfx/render/tilemap.h"
 #include "zelda3/overworld/overworld.h"
-#include "app/core/window.h"
+#include "app/platform/window.h"
 
 namespace yaze {
 namespace editor {