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

entries/opendungeons.md

@@ -0,0 +1,15 @@
+# OpenDungeons
+
+_Clone of Dungeon Keeper._
+
+- Home: https://opendungeons.github.io/
+- Media: https://en.wikipedia.org/wiki/Dungeon_Keeper
+- State: beta
+- Download: http://opendungeons.github.io/downloads.html
+- Platform: Windows, Linux
+- Keywords: strategy, clone, inspired by Dungeon Keeper, real time
+- Code repository: https://github.com/OpenDungeons/OpenDungeons.git
+- Code language: C++
+- Code license: GPL-3.0
+
+## Building