feat: Implement person and tag management services

- Added `Person` and `Tag` models to the core library.
- Created `PersonService` and `TagService` traits with implementations for managing persons and tags.
- Introduced repositories for `Person`, `Tag`, `FaceRegion`, and `PersonShare` with PostgreSQL support.
- Updated authorization logic to include permissions for accessing and editing persons.
- Enhanced the schema to support new models and relationships.
- Implemented database migrations for new tables related to persons and tags.
- Added request and response structures for API interactions with persons and tags.

libertas_infra/src/repositories/mod.rs

@@ -2,4 +2,8 @@ pub mod album_repository;
 pub mod album_share_repository;
 pub mod media_repository;
 pub mod user_repository;
-pub mod media_metadata_repository;
+pub mod media_metadata_repository;
+pub mod tag_repository;
+pub mod person_repository;
+pub mod face_region_repository;
+pub mod person_share_repository;