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

entries/sdl_sopwith.md

@@ -0,0 +1,17 @@
+# SDL Sopwith
+
+_Port of the classic 8086 biplane shoot-em-up._
+
+- Home: http://sdl-sopwith.sourceforge.net/, https://sourceforge.net/projects/sdl-sopwith/
+- State: mature, inactive since 2014
+- Download: https://sourceforge.net/projects/sdl-sopwith/files/
+- Platform: Linux
+- Keywords: action, fly, inspired by Sopwith, remake
+- Code repository: https://gitlab.com/osgames/sdl-sopwith.git (import of svn), https://svn.code.sf.net/p/sdl-sopwith/code/ (svn)
+- Code language: C
+- Code license: GPL-2.0
+- Code dependencies: SDL
+
+See also the original [Sopwith](http://davidlclark.com/page/sopwith) 
+
+## Building