close#44:
Se creó la NotFoundPage y se utiliza en __root con el notFoundComponent.
Se agregó la lógica del loader tanto de plan de estudios como de asignaturas.
Se agregó el NotFoundComponent para el detalle de plan de estudios y el de asignaturas
- Implemented subjects API with functions for creating, updating, and retrieving subjects, including history and bibliography.
- Added tasks API for managing user tasks, including listing and marking tasks as completed.
- Created hooks for managing AI interactions, authentication, subjects, tasks, and metadata queries.
- Established query keys for caching and managing query states.
- Introduced Supabase client and environment variable management for better configuration.
- Defined types for database and domain models to ensure type safety across the application.
