chore: Ignore runtime backup logs

.gitignore

@@ -33,3 +33,6 @@ frontend/.dart_tool/
 frontend/build/
 frontend/.flutter-plugins
 frontend/.flutter-plugins-dependencies
+# Backup logs
+backend/data/backup_info.json
+backend/data/backup_logs.txt

backend/data/backup_info.json

@@ -1,4 +0,0 @@
-{
-  "lastBackup": "2026-07-17T15:15:10.870Z",
-  "lastRestore": "2026-07-17T15:15:21.665Z"
-}

backend/data/backup_logs.txt

@@ -1,6 +0,0 @@
-[2026-07-17T12:48:13.930Z] BACKUP completed successfully.
-[2026-07-17T12:48:21.114Z] RESTORE completed successfully.
-[2026-07-17T15:05:37.543Z] BACKUP completed successfully.
-[2026-07-17T15:05:53.041Z] RESTORE completed successfully.
-[2026-07-17T15:15:10.870Z] BACKUP completed successfully.
-[2026-07-17T15:15:21.665Z] RESTORE completed successfully.