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

entries/jfduke3d.md

@@ -0,0 +1,13 @@
+# JFDuke3D
+
+_Remake of Duke Nukem 3D._
+
+- Home: http://www.jonof.id.au/jfduke3d
+- State: beta, inactive since 2005
+- Download: http://www.jonof.id.au/downloads?cat=1
+- Keywords: game engine, commercial content, inspired by Duke Nukem 3D, multiplayer LAN, remake, shooter
+- Code repository: (see download)
+- Code language: C
+- Code license: GPL-2.0
+
+## Building