added license info back to main readme

ddavydenko · rahul003 · commit fafb99ec9c30 · 2019-12-03T09:42:06.000-08:00
precommit license addition
diff --git a/README.md b/README.md
@@ -105,3 +105,7 @@ See the frameworks pages for details on modifying the training script:
 - [PyTorch](docs/pytorch.md)
 - [MXNet](docs/mxnet.md)
 - [XGBoost](docs/xgboost.md)
+
+## License
+
+This library is licensed under the Apache 2.0 License.
