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/utils/backup.ts

@@ -19,6 +19,11 @@ type QueueJob =
 			type: "schedule";
 			cronSchedule: string;
 			scheduleId: string;
+	  }
+	| {
+			type: "volume-backup";
+			cronSchedule: string;
+			volumeBackupId: string;
 	  };
 export const schedule = async (job: QueueJob) => {
 	try {