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

entries/supertuxkart.md

@@ -0,0 +1,14 @@
+# SuperTuxKart
+
+_Kart racing game._
+
+- Home: https://supertuxkart.net/Main_Page, https://sourceforge.net/projects/supertuxkart/
+- State: mature
+- Download: https://supertuxkart.net/Download
+- Keywords: action, clone, inspired by Mario Kart, racing
+- Code repository: https://github.com/supertuxkart/stk-code.git, https://sourceforge.net/p/supertuxkart/code/HEAD/tree/ (svn)
+- Code language: C++, C
+- Code license: GPL-3.0
+
+## Building
+