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

entries/billiards.md

@@ -0,0 +1,18 @@
+# Billiards
+
+_Cue sports simulator aiming for physical accuracy and simplicity._
+
+- Home: http://www.nongnu.org/billiards/, https://savannah.nongnu.org/projects/billiards/
+- State: beta, inactive since 2012
+- Download: http://www.nongnu.org/billiards/#downloads, http://download.savannah.nongnu.org/releases/billiards/
+- Platform: Linux
+- Keywords: sports, simulation
+- Code repository: http://cvs.savannah.nongnu.org:/sources/billiards (cvs)
+- Code language: Lua, Objective-C
+- Code license: GPL-3.0
+
+Developer: Dimitris Papavasiliou
+
+## Building
+
+- Build system: Autoconf