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

entries/zangband.md

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+# ZAngband
+
+_Roguelike computer role playing game available for almost any computer and operating system._
+
+- Home: http://www.zangband.org/, https://sourceforge.net/projects/zangband/
+- Media: https://en.wikipedia.org/wiki/Angband_(video_game)#Derivative_works
+- State: mature, inactive since 2005
+- Download: https://sourceforge.net/projects/zangband/files/
+- Keywords: role playing, roguelike
+- Code repository: https://gitlab.com/osgames/zangband.git (backup of cvs), http://zangband.cvs.sourceforge.net/ (cvs)
+- Code language: C
+- Code license: Custom (Modifications allowed?)
+
+Based on Angband.
+
+See also https://github.com/dennis-roof/Zband, https://github.com/jjnoo/Zangband
+
+## Building
+