README.md: add short description of models (tensorflow#359)

Author: jonsafari

README.md

@@ -5,3 +5,17 @@ This repository contains machine learning models implemented in
 respective authors.
 
 To propose a model for inclusion please submit a pull request.
+
+
+## Models
+- [autoencoder](autoencoders) -- various autoencoders
+- [inception](inception) -- deep convolutional networks for computer vision
+- [namignizer](namignizer) -- recognize and generate names
+- [neural_gpu](neural_gpu) -- highly parallel neural computer
+- [privacy](privacy) -- privacy-preserving student models from multiple teachers
+- [resnet](resnet) -- deep and wide residual networks
+- [slim](slim) -- image classification models in TF-Slim
+- [swivel](swivel) -- TensorFlow implementation of the Swivel algorithm for generating word embeddings
+- [syntaxnet](syntaxnet) -- neural models of natural language syntax
+- [textsum](textsum) -- sequence-to-sequence with attention model for text summarization.
+- [transformer](transformer) -- spatial transformer network, which allows the spatial manipulation of data within the network