feat: enhance volume backup scheduling and management

- Added initVolumeBackupsCronJobs function to initialize scheduled volume backups on server startup.
- Updated volumeBackupsRouter to handle scheduling and removal of volume backup jobs based on user input.
- Improved create and update volume backup logic to include scheduling functionality for both cloud and local environments.
- Introduced utility functions for scheduling and removing volume backup jobs, enhancing overall backup management.

apps/dokploy/server/server.ts

@@ -7,6 +7,7 @@ import {
 	createDefaultTraefikConfig,
 	initCronJobs,
 	initSchedules,
+	initVolumeBackupsCronJobs,
 	initializeNetwork,
 	sendDokployRestartNotifications,
 	setupDirectories,
@@ -51,6 +52,7 @@ void app.prepare().then(async () => {
 			await migration();
 			await initCronJobs();
 			await initSchedules();
+			await initVolumeBackupsCronJobs();
 			await sendDokployRestartNotifications();
 		}