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

entries/openskyscraper.md

@@ -0,0 +1,14 @@
+# OpenSkyscraper
+
+_Tower simulation game inspired by SimTower._
+
+- Home: http://openskyscraper.org/
+- State: beta
+- Keywords: simulation, inspired by SimTower, remake
+- Code repository: https://github.com/fabianschuiki/OpenSkyscraper.git
+- Code language: C++
+- Code license: GPL-2.0
+
+## Building
+
+- Build system: CMake