* rename class autoShape -> AutoShape
follow other class naming convention
* rename class autoShape -> AutoShape
follow other classes' naming convention
* rename class autoShape -> AutoShape
* faster random index generator for mosaic augementation
We don't need to access list to generate random index
It makes augmentation slower.
* Update datasets.py
Co-authored-by: Glenn Jocher <glenn.jocher@ultralytics.com>