feat(api): add personal API tokens and enhance webhook integration UI

- Add ApiToken model with SHA-256 hashed storage and usage tracking
- Create API token CRUD endpoints (POST/GET/DELETE /api/api-tokens/)
- Add Bearer token authentication to require_login decorator
- Exempt Bearer-authenticated requests from CSRF validation
- Add API tokens management page with create/revoke/copy UI
- Enhance webhook integration type with detailed explanation and code snippets
- Add navigation links (desktop + mobile) to API tokens page
- Include 19 tests covering CRUD, auth resolution, and utility functions
- Create migration 024_add_api_tokens

Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

app/views/__init__.py

@@ -5,6 +5,7 @@ Aggregated view routers for the application.
 from fastapi import APIRouter
 
 from app.views.admin_users import router as admin_users_router
+from app.views.api_tokens import router as api_tokens_router
 from app.views.backup import router as backup_router
 from app.views.db_wizard import router as db_wizard_router
 from app.views.dropbox import router as dropbox_router
@@ -33,6 +34,7 @@ router = APIRouter()
 router.include_router(wizard_router)  # Wizard first (for /setup)
 router.include_router(db_wizard_router)  # Database wizard
 router.include_router(admin_users_router)  # Admin user management
+router.include_router(api_tokens_router)  # API token management
 router.include_router(backup_router)  # Backup dashboard
 router.include_router(general_router)
 router.include_router(status_router)