Separate include patters and included path cleanly to avoid path with special characters to be expanded. Closes https://github.com/nicotsx/zerobyte/discussions/680
<!-- This is an auto-generated comment: release notes by coderabbit.ai -->
## Summary by CodeRabbit
* **New Features**
* Added ability to select specific directories and paths for inclusion in backup schedules, separate from pattern-based rules.
* **Bug Fixes & Improvements**
* Automatically migrates existing backup configurations to work with the new path selection system.
* Enhanced backup restoration to properly handle both selected paths and pattern-based inclusions.
* **Chores**
* Updated database schema to support path selections in backup schedules.
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
Closes#478 The mode option of fs.writeFile does not reliably apply
permissions on all filesystems. On Synology NAS Docker volumes (btrfs),
the file ends up with 0755 permissions instead of 0600, causing SSH to
refuse the key.
