renamed games folder to entries folder (also contained frameworks, libraries, ...) and added to the backlog

entries/castle_game_engine.md

@@ -0,0 +1,15 @@
+# Castle Game Engine
+
+_3D and 2D game engine using modern Object Pascal._
+
+- Home: https://castle-engine.io/
+- State: mature 
+- Download: (see home)
+- Keywords: game engine, framework
+- Code repository: https://github.com/castle-engine/castle-engine.git
+- Code language: Pascal
+- Code license: LGPL-2.0 (visual editor and some other assets GPL-2.0)
+
+## Building
+
+