rename fields to improve understanding, adapting maintenance.py (intermediate)

games/framework/blender_game_engine.md

@@ -5,8 +5,8 @@ _Included in Blender is a complete game engine, allowing you to create a fully f
 - Home: https://www.blender.org/features/game-creation/
 - Download: https://www.blender.org/download/
 - State: mature
-- Code: https://developer.blender.org/diffusion/
-- Language(s): C++
+- Code repository: https://developer.blender.org/diffusion/
+- Code language: C++
 - Code license: GPL-2.0
 
 Part of Blender.
@@ -15,4 +15,4 @@ Part of Blender.
 
 See [Building Blender](https://wiki.blender.org/index.php/Dev:Doc/Building_Blender)
 
-Uses CMake
+- Build system: CMake