Add link to tensorflow-rust in resources

Author: adamcrume

tensorflow/g3doc/resources/index.md

@@ -38,6 +38,7 @@ The TensorFlow community has created many great projects around TensorFlow, incl
 * [Scikit Flow - Simplified Interface for TensorFlow](https://github.com/tensorflow/tensorflow/tree/master/tensorflow/contrib/learn/python/learn)
 * [Caffe to TensorFlow model converter](https://github.com/ethereon/caffe-tensorflow)
 * [Bitfusion's` GPU-enabled AWS EC2 TensorFlow AMI](https://github.com/bitfusionio/amis/tree/master/awsmrkt-bfboost-ubuntu14-cuda75-tensorflow) ([Launch AMI](https://aws.amazon.com/marketplace/pp/B01EYKBEQ0))
+* [Rust language bindings](https://github.com/google/tensorflow-rust)
 
 ### Development