- Added a new SMTP settings page with functionality to configure SMTP settings, test connections, and send test emails.
- Implemented user management page to list users, invite new users, and manage user permissions.
- Created modals for inviting users and editing user permissions.
- Added tests for the new SMTP settings and user management functionalities.
- Updated navigation to include links to the new SMTP settings and user management pages.
- Implement tests for AuthMiddleware to handle cookie and token authentication.
- Create tests for the Importer and Manager in the Caddy package.
- Enhance AuthService tests with password change and token validation scenarios.
- Introduce tests for CertificateService to validate certificate listing and expiry.
- Expand LogService tests to cover log querying and pagination.
- Add NotificationService tests for creating, listing, and marking notifications as read.
- Implement ProxyHostService tests for CRUD operations and unique domain validation.
- Create RemoteServerService tests for CRUD operations.
- Add UpdateService tests to mock GitHub API responses for version checking.
- Introduce UptimeService tests to check host availability and notifications for down hosts.
