descriptions of entries checked and either incorporated to keywords and inspirations or redundancies removed

entries/urho3d.md

@@ -3,13 +3,11 @@
 - Home: https://urho3d.github.io/
 - State: mature
 - Download: https://sourceforge.net/projects/urho3d/files/Urho3D/
-- Keyword: framework
+- Keyword: framework, 2D, 3D
 - Code repository: https://github.com/urho3d/Urho3D.git
 - Code language: C++, AngelScript
 - Code license: MIT
 
-Lightweight, cross-platform 2D and 3D game engine.
-
 ## Building
 
 - Build system: CMake