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

entries/airstrike.md

@@ -0,0 +1,16 @@
+# Airstrike
+
+_Dogfights in 2D._
+
+- Home: http://icculus.org/airstrike/, https://packages.debian.org/stable/games/airstrike, https://web.archive.org/web/20061012090550/http://fluff.dyndns.org/cgi-bin/trac.cgi
+- State: beta, inactive since 2014
+- Platform: Windows, Linux
+- Keywords: arcade, 2D, open content
+- Code repository: (see home)
+- Code language: C
+- Code license: GPL-2.0
+- Assets license: GPL-2.0
+
+Maybe contact author and try to get a copy of the svn.
+
+## Building