Game Engine: Add KlayGE

Author: myd7349

README.md

@@ -287,6 +287,7 @@ A curated list of awesome C/C++ frameworks, libraries, resources, and shiny thin
 * [GamePlay](https://github.com/gameplay3d/GamePlay) - A cross-platform native C++ game framework for creating 2D/3D mobile and desktop games. [Apache2]
 * [Godot](https://github.com/godotengine/godot) - A fully featured, open source, MIT licensed, game engine. [MIT]
 * [Grit](http://www.gritengine.com/) - Community project to build a free game engine for implementing open world 3D games. [MIT]
+* [KlayGE](https://github.com/gongminmin/KlayGE) - a cross-platform open source game engine with plugin-based architecture. [GPLv2] [website](http://www.klayge.org/)
 * [Oxygine](http://oxygine.org/) - A cross-platform 2D C++ game engine. [MIT]
 * [Panda3D](https://github.com/panda3d/panda3d) - A game engine, a framework for 3D rendering and game development for Python and C++ programs. [Modified BSD] [website](https://www.panda3d.org/)
 * [Polycode](https://github.com/ivansafrin/Polycode) - A cross-platform framework for creative code in C++ (with Lua bindings). [MIT] [website](http://polycode.org/)