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

entries/opendune.md

@@ -0,0 +1,14 @@
+# OpenDUNE
+
+_Re-creation of the popular game "Dune II"._
+
+- Home: https://github.com/OpenDUNE/OpenDUNE
+- State: mature
+- Download: https://github.com/OpenDUNE/OpenDUNE/releases
+- Keywords: strategy, inspired by Dune 2, remake, requires original content (Dune 2 game files)
+- Code repository: https://github.com/OpenDUNE/OpenDUNE.git
+- Code language: C
+- Code license: GPL-2.0
+
+## Building
+