Add doodle for Comp vision

4-ComputerVision/README.md

+# Computer Vision
+
+![Summary of Computer Vision content in a doodle](../sketchnotes/ai-computervision.png)
+
+In this section we will learn about:
+
+* [Convolutional Neural Networks](07-ConvNets/README.md)
+* [Pre-trained Networks and Transfer Learning](08-TransferLearning/README.md) 
+* [Autoencoders](09-Autoencoders/README.md)
+* [Generative Adversarial Networks](10-GANs/README.md)
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