[Backup] Scheduled auto backup to local storage #77
Description
Auto backup to local storage with scheduled options:
- This feature do not require internet connection
- Add option to enable auto backup within Settings > Backup & Restore
- User can choose backup interval (daily, weekly, monthly)
- User is require to pick a backup directory/folder (do not store inside existing backup directory)
- Auto backup should able to run in the background
- Auto backup will trigger first backup action at 11.00 pm the day when interval changed
- Data to backup: User Profile, Wallets, Categories, Transactions + Images, Goals + Checklist, Budgets
- Backup file can be restored through Restore under Settings > Backup & Restore
- Always check remaining storage space before performing auto backup (at least 1GB free space)