Add tests for authentication and utilities, and update dependencies

- Created a new test package for services and added tests for AuthService.
- Implemented tests for user registration, login, and token creation.
- Added a new test package for utilities and included tests for password and JWT utilities.
- Updated `uv.lock` to include new dependencies: bcrypt, email-validator, pyjwt, and pytest-asyncio.

app/api/v1/__init__.py

@@ -2,10 +2,11 @@
 
 from fastapi import APIRouter
 
-from app.api.v1 import main
+from app.api.v1 import auth, main
 
 # V1 API router with v1 prefix
 api_router = APIRouter(prefix="/v1")
 
 # Include all route modules
 api_router.include_router(main.router, tags=["main"])
+api_router.include_router(auth.router, prefix="/auth", tags=["authentication"])