- Updated the list of supported notification provider types to include 'ntfy'.
- Modified the notification settings UI to accommodate the Ntfy provider, including form fields for topic URL and access token.
- Enhanced localization files to include translations for Ntfy-related fields in German, English, Spanish, French, and Chinese.
- Implemented tests for the Ntfy notification provider, covering form rendering, CRUD operations, payload contracts, and security measures.
- Updated existing tests to account for the new Ntfy provider in various scenarios.
