[11902] Import Recast Navigation

Import Recast Navigation as third party dependency
Credits go to Mikko Mononen memon at inside dot org

dep/recastnavigation/RecastDemo/Include/imguiRenderGL.h

@@ -0,0 +1,26 @@
+//
+// Copyright (c) 2009-2010 Mikko Mononen memon@inside.org
+//
+// This software is provided 'as-is', without any express or implied
+// warranty.  In no event will the authors be held liable for any damages
+// arising from the use of this software.
+// Permission is granted to anyone to use this software for any purpose,
+// including commercial applications, and to alter it and redistribute it
+// freely, subject to the following restrictions:
+// 1. The origin of this software must not be misrepresented; you must not
+//    claim that you wrote the original software. If you use this software
+//    in a product, an acknowledgment in the product documentation would be
+//    appreciated but is not required.
+// 2. Altered source versions must be plainly marked as such, and must not be
+//    misrepresented as being the original software.
+// 3. This notice may not be removed or altered from any source distribution.
+//
+
+#ifndef IMGUI_RENDER_GL_H
+#define IMGUI_RENDER_GL_H
+
+bool imguiRenderGLInit(const char* fontpath);
+void imguiRenderGLDestroy();
+void imguiRenderGLDraw();
+
+#endif // IMGUI_RENDER_GL_H