DB: Add npm backup command for DB backups

scripts/backup.js

@@ -0,0 +1,25 @@
+const fs = require('fs');
+const path = require('path');
+
+const dbPath = path.join(__dirname, '../data/minzbot.db');
+const backupDir = path.join(__dirname, '../data/backups');
+
+if (!fs.existsSync(backupDir)) {
+    fs.mkdirSync(backupDir, { recursive: true });
+}
+
+const timestamp = new Date().toISOString().replace(/[:.]/g, '-');
+const backupPath = path.join(backupDir, `${timestamp}_minzbot.db`);
+
+try {
+    if (fs.existsSync(dbPath)) {
+        fs.copyFileSync(dbPath, backupPath);
+        console.log(`Backup successful: ${backupPath}`);
+    } else {
+        console.error(`Database file not found at ${dbPath}`);
+        process.exit(1);
+    }
+} catch (error) {
+    console.error('Backup failed:', error);
+    process.exit(1);
+}