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

entries/libre_pinball.md

@@ -0,0 +1,15 @@
+# Libre Pinball
+
+_Pinball game._
+
+- Home: https://github.com/Calinou/libre-pinball
+- State: beta, inactive since 2015
+- Keywords: sports, open content
+- Code repository: https://github.com/Calinou/libre-pinball.git
+- Code language: GDScript
+- Code license: MIT
+- Code dependencies: Godot engine
+- Assets license: CC0, CC-BY-SA-3.0
+
+## Building
+