[Feature] Implement an entity-component system (ECS)

### Description of the Feature

An entity-component system (ECS) is needed for managing game objects and their behaviors dynamically. A generic and extendable `Entity` type should be created so that they can be managed by the ECS and can be adapted to serve specific purposes based on the game implementing them.

### Benefits of the Feature

1. Provides a single point for entity management
2. Entities can be expanded upon to provide specific functionality for the implementing game, but can still be managed by the ECS

### Additional Information

_No response_