[ImgBot] optimizes images

[imgbot[bot]]

Beep boop. Your images are optimized!

Your image file size has been reduced by 45% 🎉

Details

File	Before	After	Percent reduction
/Deep learning in Python/01-basics-of-deep-learning-and-neural-networks/chapter-details.png	251.21kb	129.15kb	48.59%
/Deep learning in Python/02-optimizing-a-neural-network-with-backward-propagation/chapter-details.png	285.32kb	147.18kb	48.42%
/Unsupervised learning in python/01-clustering-for-dataset-exploration/chapter-details.png	229.14kb	119.20kb	47.98%
/Deep learning in Python/04-fine-tuning-keras-models/chapter-details.png	240.02kb	125.70kb	47.63%
/Unsupervised learning in python/03-decorrelating-your-data-and-dimension-reduction/chapter-details.png	286.23kb	149.96kb	47.61%
/Deep learning in Python/03-building-deep-learning-models-with-keras/chapter-details.png	212.55kb	111.65kb	47.47%
/Unsupervised learning in python/02-visualization-with-hierarchical-clustering-and-t-sne/chapter-details.png	258.74kb	135.93kb	47.46%
/Supervised learning with scikit-learn/03-fine-tuning-your-model/chapter-details.png	151.24kb	85.89kb	43.21%
/Supervised learning with scikit-learn/04-preprocessing-pipelines/chapter-details.png	128.39kb	73.51kb	42.74%
/Supervised learning with scikit-learn/02-regression/chapter-details.png	123.72kb	70.85kb	42.73%
/Unsupervised learning in python/course-description.png	244.55kb	141.18kb	42.27%
/Supervised learning with scikit-learn/01-classification/chapter-details.png	120.79kb	71.58kb	40.74%
/Supervised learning with scikit-learn/course-description.png	199.99kb	119.95kb	40.02%
/Unsupervised learning in python/04-discovering-interpretable-features/chapter-details.png	145.70kb	88.70kb	39.12%
Total :	2,877.57kb	1,570.44kb	45.42%

---

📝docs | :octocat: repo | 🙋issues | 🏅swag | 🏪marketplace