Move entity stuff to the `ecs/entity` directory#644

Merged

RiscadoA merged 4 commits intomainfrom 641-move-entity-stuff-to-the-ecsentity-directory

Oct 2, 2023

+270-196

Commits on Oct 1, 2023

refactor(ecs): move entity_manager.hpp to entity dir
RiscadoA
committed

Commits on Oct 2, 2023