[ImgBot] Optimize images

*Total -- 1,817.88kb -> 1,365.17kb (24.9%)

/notebook/ML/ML_files/ML_16_0.png -- 7.90kb -> 3.84kb (51.41%)
/notebook/ML/_data_set/iris_classification/iris.png -- 545.51kb -> 341.73kb (37.36%)
/notebook/ML/ML_files/ML_20_3.png -- 30.69kb -> 20.56kb (33%)
/notebook/ML/ML_files/ML_16_1.png -- 3.96kb -> 2.69kb (31.94%)
/notebook/ML/ML_files/ML_24_2.png -- 26.16kb -> 18.49kb (29.32%)
/notebook/ML/ML_files/ML_13_2.png -- 18.19kb -> 13.06kb (28.23%)
/notebook/ML/ML_files/ML_66_1.png -- 18.98kb -> 13.63kb (28.18%)
/notebook/ML/ML_files/ML_14_1.png -- 18.75kb -> 13.48kb (28.1%)
/notebook/ML/ML_files/ML_29_0.png -- 10.19kb -> 7.45kb (26.9%)
/notebook/ML/ML_files/ML_58_2.png -- 103.87kb -> 76.32kb (26.52%)
/notebook/ML/ML_files/ML_24_4.png -- 30.29kb -> 22.34kb (26.26%)
/notebook/ML/ML_files/ML_27_1.png -- 9.83kb -> 7.26kb (26.1%)
/notebook/ML/ML_files/ML_22_2.png -- 115.68kb -> 85.59kb (26.01%)
/notebook/ML/ML_files/ML_13_1.png -- 14.86kb -> 11.04kb (25.72%)
/notebook/ML/ML_files/ML_20_1.png -- 40.04kb -> 29.76kb (25.68%)
/notebook/ML/ML_files/ML_16_2.png -- 15.02kb -> 11.34kb (24.55%)
/notebook/ML/ML_files/ML_56_0.png -- 39.00kb -> 29.47kb (24.45%)
/notebook/ML/ML_files/ML_32_1.png -- 41.50kb -> 31.41kb (24.31%)
/notebook/ML/ML_files/ML_15_1.png -- 10.02kb -> 7.68kb (23.39%)
/notebook/ML/ML_files/ML_30_1.png -- 63.05kb -> 48.72kb (22.73%)
/notebook/ML/ML_files/ML_33_1.png -- 75.34kb -> 59.51kb (21.02%)
/notebook/ML/ML_files/ML_76_0.png -- 18.20kb -> 14.52kb (20.2%)
/notebook/ML/ML_files/ML_38_2.png -- 8.43kb -> 6.83kb (19.06%)
/notebook/ML/ML_files/ML_38_0.png -- 7.96kb -> 6.48kb (18.49%)
/notebook/ML/ML_files/ML_38_4.png -- 9.32kb -> 7.61kb (18.36%)
/notebook/ML/ML_files/ML_38_3.png -- 8.23kb -> 6.72kb (18.33%)
/notebook/ML/ML_files/ML_38_1.png -- 8.27kb -> 6.77kb (18.12%)
/notebook/ML/ML_files/ML_60_0.png -- 231.03kb -> 191.72kb (17.02%)
/notebook/ML/ML_files/ML_74_0.png -- 15.21kb -> 12.78kb (15.98%)
/notebook/ML/ML_files/ML_50_2.png -- 11.92kb -> 10.32kb (13.44%)
/notebook/ML/ML_files/ML_30_2.png -- 18.38kb -> 16.09kb (12.44%)
/notebook/ML/ML_files/ML_50_1.png -- 11.24kb -> 9.93kb (11.63%)
/notebook/ML/ML_files/ML_18_2.png -- 7.08kb -> 6.27kb (11.47%)
/notebook/ML/ML_files/ML_53_0.png -- 9.59kb -> 8.65kb (9.77%)
/notebook/ML/ML_files/ML_50_3.png -- 9.59kb -> 8.65kb (9.77%)
/notebook/ML/ML_files/ML_53_1.png -- 125.28kb -> 119.01kb (5%)
/notebook/ML/ML_files/ML_55_1.png -- 12.67kb -> 12.11kb (4.48%)
/notebook/ML/ML_files/ML_50_4.png -- 22.63kb -> 21.81kb (3.66%)
/notebook/ML/ML_files/ML_13_3.png -- 44.00kb -> 43.53kb (1.07%)

Signed-off-by: ImgBotApp <[email protected]>

Author: ImgBotApp