Add MXNet

MXNet: A flexible and efficient library for deep learning.

Author: MambaWong

README.md

@@ -114,6 +114,7 @@ A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny
 * [Evolving Objects](http://eodev.sourceforge.net/) - A template-based, ANSI-C++ evolutionary computation library which helps you to write your own stochastic optimization algorithms insanely fast. [LGPL]
 * [frugally-deep](https://github.com/Dobiasd/frugally-deep) - Header-only library for using Keras models in C++. [MIT]
 * [Genann](https://github.com/codeplea/genann) - Simple neural network library in C. [zlib]
+* [MXNet](https://github.com/apache/incubator-mxnet) - Lightweight, Portable, Flexible Distributed/Mobile Deep Learning with Dynamic, Mutation-aware Dataflow Dep Scheduler; for Python, R, Julia, Scala, Go, Javascript and more [website](https://mxnet.apache.org)
 * [Recast/Detour](https://github.com/recastnavigation/recastnavigation) - (3D) Navigation mesh generator and pathfinder, mostly for games. [zlib]
 * [TensorFlow](https://github.com/tensorflow/tensorflow) - An open source software library for numerical computation using data flow graphs [Apache]
 * [CNTK](https://github.com/Microsoft/CNTK) - Microsoft Cognitive Toolkit (CNTK), an open source deep-learning toolkit. [Boost]