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

entries/megamek.md

@@ -0,0 +1,15 @@
+# MegaMek
+
+_Unofficial, online version of the Classic BattleTech board game._
+
+- Home: https://www.megamek.org/, https://sourceforge.net/projects/megamek/
+- Media: https://en.wikipedia.org/wiki/MegaMek
+- State: mature
+- Download: https://www.megamek.org/downloads
+- Keywords: strategy
+- Code repository: https://github.com/MegaMek/megamek.git, https://git.code.sf.net/p/megamek/git
+- Code language: Java
+- Code license: GPL-2.0
+
+## Building
+