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

entries/openkeeper.md

@@ -0,0 +1,16 @@
+# OpenKeeper
+
+_Remake of the Dungeon Keeper II engine._
+
+- Home: https://github.com/tonihele/OpenKeeper
+- State: beta
+- Keywords: simulation, commercial content, game engine, inspired by Dungeon Keeper II, remake, requires original content
+- Code repository: https://github.com/tonihele/OpenKeeper.git
+- Code language: Java
+- Code license: GPL-3.0
+- Code dependencies: jMonkeyEngine
+
+## Building
+
+- Build system: Gradle
+