new entries, extended maintenance script

games/framework/blender_game_engine.md

@@ -5,7 +5,7 @@ _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: http://git.blender.org/blender.git
+- Code: https://developer.blender.org/diffusion/
 - Language(s): C++
 - License: GPL-2.0
 

games/framework/dash.md

@@ -2,8 +2,7 @@
 
 _OpenGL engine written in the D language._
 
-- Home: http://circularstudios.com/#dash
-- Download: http://dash.circularstudios.com/guides/gettingstarted.html
+- Home: https://dash.circularstudios.com/
 - Code: https://github.com/Circular-Studios/Dash
 - Language(s): D
 - License: MIT