v2.0.0

Added

• Lock mechanism to prevent concurrent backup operations
• Weekly log rotation using logrotate
• Error handling and proper exit codes in all backup scripts
• Environment variable support for backup paths (SOURCE, BACKUP)
• Configurable retention period for monthly backups (RETENTION_DAYS)

Changed

• Moved utility functions to /usr/local/lib/backup-utils.sh
• Reorganized project structure (scripts/, config/, etc.)

Full Changelog: v1.0.0...v2.0.0