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

entries/openttd.md

@@ -0,0 +1,16 @@
+# OpenTTD
+
+_OpenTTD is an open source simulation game based upon the popular Microprose game "Transport Tycoon Deluxe"._
+
+- Home: https://www.openttd.org/
+- Media: https://en.wikipedia.org/wiki/OpenTTD
+- State: mature
+- Download: https://www.openttd.org/downloads/openttd-releases/latest.html
+- Keywords: simulation, can use original content, inspired by Transport Tycoon, open content (swappable), remake
+- Code repository: https://github.com/OpenTTD/OpenTTD.git (mirror), https://svn.openttd.org/ (svn)
+- Code language: C++
+- Code license: GPL-2.0
+
+## Building
+
+- Build system: Autoconf