Problem
For scheduled backup had to support backup on external storage.
Solution
Made changes to support backup on external storage for scheduled backup

Also fixed one small issue w.r.t to show backup status

Also a small fix on backup file list to show if the backup was done locally or on remote

Tested that the scheduled backup is succcessful both on local and remote storage
POST https://192.168.162.162:8888/backup/schedule
{

    "backup_target": "remote",

    "frequency": "daily",

    "time": "13:45"

}
Response:

{

    "cron_time": "45 13 *  ",

    "message": "Backup schedule updated successfully!"

}

Tested to check the backup list is showing the backup destination correctly
GET https://192.168.162.162:8888/backup/files
Response:
[

    {

        "status": "Completed",

        "destination": "local",

        "time": "2025-04-16T15:09:09.714491",

        "filename": "backup_20250416_150909.tar.gz"

    },

    {

        "status": "Completed",

        "destination": "remote",

        "time": "2025-04-16T15:09:54.691911",

        "filename": "backup_20250416_150954.tar.gz"

    }

]