Initial commit: Database Backup Tool v1.1.0

- PostgreSQL and MySQL support
- Interactive TUI with fixed menu navigation
- Line-by-line progress display
- CPU-aware parallel processing
- Cross-platform build support
- Configuration settings menu
- Silent mode for TUI operations

postgres-backup

@@ -0,0 +1,5 @@
+#!/bin/bash
+# Simple wrapper for dbbackup with postgres defaults
+
+cd /root/dbbackup
+exec ./dbbackup-simple interactive --user postgres "$@"