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

entries/armagetron_advanced.md

@@ -0,0 +1,16 @@
+# Armagetron Advanced
+
+_Simple action game modeled after the lightcycle sequence of the movie Tron._
+
+- Home: http://www.armagetronad.org/, https://sourceforge.net/projects/armagetronad/
+- Media: https://en.wikipedia.org/wiki/Armagetron_Advanced
+- State: mature
+- Download: http://www.armagetronad.org/downloads.php
+- Keywords: action, snake-like
+- Code repository: https://github.com/ArmagetronAd/armagetronad.git, https://svn.code.sf.net/p/armagetronad/code/ (svn)
+- Code language: C++
+- Code license: GPL-2.0
+
+## Building
+
+