Introduce Flexible MinIO Data Download Feature

[jujusb]

• A new feature has been added to allow downloading MinIO data in flexible formats.
• Users can now choose to download data as an array or one trace per line.
• This flexibility is expected to improve data analysis and processing capabilities.
• The feature represents a significant enhancement to data management and utilization.
• It is likely to be beneficial for users who require different data formats for their analyses or processing needs.

[jujusb]

use Stream - verify functionality not block main thread