Added `InternalsVisibleTo` attribute for "Ghost.Editor" in `AssemblyInfo.cs`.
Added a binary file `Empty.zip` to the project.
Added a new `ProjectMetadata` class in `ProjectMetadata.cs`.
Added new states and interfaces for managing application states in `EditorState.cs`, `LandingState.cs`, and `IAppState.cs`.
Added a notification service in `INotificationService.cs` and `StackedNotificationService.cs`.
Added new XAML files for UI components, including `InspectorView.xaml` and `InternalControls.xaml`.
Changed the `ProjectInfo` class in `ProjectInfo.cs` to include a `MetadataPath` property instead of `Path` and `EngineVersion`.
Changed the `TemplateInfo` class in `TemplateInfo.cs` to use a struct instead of a class for `TemplateData`.
Changed the `ProjectService` class to use the new `ProjectRepository` for managing project data.
Removed several using directives and the entire `ProjectRepository` class from `ProjectRepository.cs`, replacing it with a new implementation.
Removed old methods and properties in `EntityManager` and `World` classes to improve entity management and component handling.
Updated the `Ghost.Data.csproj` file to include the new `Empty.zip` file as a content item.
Updated the `ProjectRepository` class to manage project data using SQLite.
Updated various XAML files to include new styles and controls, improving the overall UI design.
Updated the `CreateProjectViewModel` to include a notification service and handle project creation logic.
Updated the test project to include references to the new `Ghost.Graphics` project and modified test cases to align with the new structure.
Changed the `Component` class to an interface `IComponentData` to support a data-oriented design.
Changed the `Transform` class from a class to a struct, implementing `IComponentData` and updating properties.
Changed the `GameObject` class to use a dictionary for components and added properties for state management.
Changed the `PlayerLoopService` class to `GameLoopService` and updated methods to integrate with the new `SceneManager`.
Changed the `World` class to manage multiple worlds and enhance entity management with new querying methods.
Added the `Scene` class to manage root game objects and their lifecycle.
Added new utility classes like `ComponentMask`, `Box<T>`, and `TypeHandle<T>` for better component management.
Added the `ScriptComponent` class to allow for modular scriptable components attached to entities.
Added the `QueryEnumerable` class to facilitate flexible querying of entities with specific components.
Updated the `Test` class in `Program.cs` to demonstrate the new entity and component management system.
Updated project files to include new references and settings supporting the changes made in the codebase.
