feat: Implement user and role management with repositories

- Added RoleRepository and UserRepository for managing roles and users.
- Implemented methods for creating, retrieving, and assigning roles to users.
- Introduced functions to ensure default roles and an admin user exist in the system.
- Updated UnitOfWork to include user and role repositories.
- Created new security module for password hashing and JWT token management.
- Added tests for authentication flows, including registration, login, and password reset.
- Enhanced HTML templates for user registration, login, and password management with error handling.
- Added a logo image to the static assets.

main.py

@@ -10,6 +10,7 @@ from models import (
     Scenario,
     SimulationParameter,
 )
+from routes.auth import router as auth_router
 from routes.dashboard import router as dashboard_router
 from routes.projects import router as projects_router
 from routes.scenarios import router as scenarios_router
@@ -33,6 +34,7 @@ async def health() -> dict[str, str]:
 
 
 app.include_router(dashboard_router)
+app.include_router(auth_router)
 app.include_router(projects_router)
 app.include_router(scenarios_router)