Support Multi-Object-Tracking (MOT) Annotation for Videos

This release adds video annotation support. This means you can now explore and create multi object tracking datasets right in your jupyter notebook. Many other features have been included to make this possible (bbox labeling, mulit-bbox support, and many more).
Take a look at the following jupyter notebook

• nbs/01d_tutorial_video_annotator.ipynb

to explore our new video annotation support.