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

entries/monogame.md

@@ -0,0 +1,16 @@
+# MonoGame
+
+_Open Source implementation of the Microsoft XNA 4 Framework._
+
+- Home: http://www.monogame.net/
+- Media: https://en.wikipedia.org/wiki/MonoGame
+- State: mature
+- Download: http://www.monogame.net/downloads/
+- Keywords: framework
+- Code repository: https://github.com/MonoGame/MonoGame.git
+- Code language: C#
+- Code license: Ms-PL, MIT
+
+## Building
+
+