- Added functionality to send Telegram notifications for upcoming payment expirations and new tariffs.
- Enhanced `runScheduledSync` and `runScheduledSyncTariffs` to trigger notifications based on settings.
- Updated database schema to include Telegram settings and notification preferences.
- Introduced a test endpoint for verifying Telegram notification setup in the settings page.
- Improved user interface in the settings page to manage Telegram bot token and notification preferences.
- Updated `syncAccount` function to accept options for selective synchronization.
- Modified `syncFromBillmanager` to handle new options for skipping tariff syncs.
- Adjusted `TariffsPage` to utilize the new option for syncing only tariffs.
- Removed unused tariff tracking from `VpsPage` and updated sync message logic accordingly.
- Introduced `runScheduledSyncTariffs` function to handle tariff synchronization independently from VPS and payment sync.
- Updated `syncFromBillmanager` to accept options for skipping tariff and VPS payment syncs.
- Added new database columns for `syncTariffsIntervalMinutes` and `customFields` in settings.
- Enhanced settings page to configure tariff sync interval.
- Implemented bulk update functionality for VPS status and deletion in the VPS management page.
- Updated various components to support new features, including sync log display and improved payment handling.