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

entries/rigs_of_rods.md

@@ -0,0 +1,17 @@
+# Rigs of Rods
+
+_3D simulator game where you can drive, fly and sail various vehicles._
+
+- Home: https://www.rigsofrods.org/, https://sourceforge.net/projects/rigsofrods/, https://github.com/RigsOfRods
+- State: mature 
+- Download: (see homepage)
+- Platform: Windows
+- Keywords: simulation, cars, multiplayer online, open content
+- Code repository: https://github.com/RigsOfRods/rigs-of-rods.git
+- Code language: C, C++, AngelScript
+- Code license: GPL-3.0
+- Code dependencies: Ogre
+
+## Building
+
+- Build system: CMake