v1.2.0

What's new

• Support calibration and tracking directly from RealSense recording files (.bag format).
• Support saving and loading tool definition files in JSON format for readability and ease of editing
• Add functionality to record tracking data directly into a CSV file
• Support for calibrating markers with more than 4 spheres
• Add an icon for the Windows executable

Fixes

• Improve calibration logic
• Use Unix timestamp for a more standardized and precise timekeeping