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

entries/unnethack.md

@@ -0,0 +1,17 @@
+# UnNetHack
+
+_Roguelike, single-player role-playing game where the hero must venture through the depths of the Dungeon of Doom to retrieve the Amulet of Yendor._
+
+- Home: https://unnethack.wordpress.com/, https://sourceforge.net/projects/unnethack/
+- Media: https://en.wikipedia.org/wiki/NetHack#Ports_and_forks
+- State: mature
+- Download: https://sourceforge.net/projects/unnethack/files/unnethack/
+- Keywords: role playing, roguelike
+- Code repository: https://github.com/unnethack/unnethack.git, https://sourceforge.net/p/unnethack/code/HEAD/tree/ (svn), https://sourceforge.net/p/unnethack/git/ci/master/tree/
+- Code language: C
+- Code license: Custom (NetHack license)
+
+Based on NetHack.
+
+## Building
+