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

entries/open_game_engine.md

@@ -0,0 +1,16 @@
+# Open Game Engine
+
+_Game engine and editor._
+
+- Home: http://oge.sourceforge.net/wiki/index.php/Main_Page, https://sourceforge.net/projects/oge/
+- State: beta, inactive since 2008 
+- Download: https://sourceforge.net/projects/oge/files/
+- Platform: Windows
+- Keywords: game engine, framework, game editor
+- Code repository: https://gitlab.com/osgames/oge.git (combination of cvs+svn+git), https://git.code.sf.net/p/oge/git (+), https://svn.code.sf.net/p/oge/svn/ (svn), http://oge.cvs.sourceforge.net (cvs)
+- Code language: C++
+- Code license: LGPL-2.1
+
+## Building
+
+- Build system: CMake