[ImgBot] Optimize images

*Total -- 998.94kb -> 900.71kb (9.83%) /02 - Day - 2 Convolution NN/4. YOLO-OpenCV/image/cat.jpg -- 131.45kb -> 105.93kb (19.42%) /02 - Day - 2 Convolution NN/1. Basic/cat.jpg -- 131.45kb -> 105.93kb (19.42%) /02 - Day - 2 Convolution NN/2. Advanced/cat.jpg -- 131.45kb -> 105.93kb (19.42%) /02 - Day - 2 Convolution NN/2. Advanced/tesla.jpg -- 29.85kb -> 28.36kb (4.97%) /02 - Day - 2 Convolution NN/4. YOLO-OpenCV/elephant.jpg -- 229.15kb -> 220.37kb (3.83%) /02 - Day - 2 Convolution NN/4. YOLO-OpenCV/image/test.jpg -- 345.59kb -> 334.19kb (3.3%) Signed-off-by: ImgBotApp <ImgBotHelp@gmail.com>

Author: ImgBotApp