Update README.md

Author: joaopauloschuler

Diff for: README.md

@@ -76,6 +76,7 @@ it's mentioned.
 ### Advanced Examples
 Although these examples require deeper understanding about neural networks, they are very interesting:
 * [DenseNetBC L40](https://github.com/joaopauloschuler/neural-api/tree/master/examples/DenseNetBCL40)
+* [ResNet-20](https://github.com/joaopauloschuler/neural-api/blob/master/examples/ResNet/ResNet20.lpr)
 * [Separable Convolutions](https://github.com/joaopauloschuler/neural-api/tree/master/examples/SeparableConvolution) - MobileNet building block
 * [Identity Shortcut Connection](https://github.com/joaopauloschuler/neural-api/tree/master/examples/IdentityShortcutConnection) - ResNet building block [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/joaopauloschuler/neural-api/blob/master/examples/IdentityShortcutConnection/IdentityShortcutConnection.ipynb)
 * [Gradient Ascent](https://github.com/joaopauloschuler/neural-api/tree/master/examples/GradientAscent) - Visualizing patterns from inner neurons in image classification <p><img src="https://github.com/joaopauloschuler/neural-api/blob/master/docs/gradientascent3layer.jpg" height="130"></img></p>