Update README of examples folder with Facenet example
craft adversarial examples using the [fast gradient sign method](https://arxiv.org/abs/1412.6572),
and make the model more robust to adversarial
examples using adversarial training.
+* **Adversarial faces using FGSM against Facenet library** ([code](facenet_adversarial_faces)): this example covers how to create adversarial faces using the [fast gradient sign method](https://arxiv.org/abs/1412.6572) over the Facenet library.
# Additional dependencies
