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

entries/angry_birds_in_python.md

@@ -0,0 +1,15 @@
+# Angry Birds in Python
+
+_Angry Birds game._
+
+- Home: https://github.com/estevaofon/angry-birds-python
+- State: mature, inactive since 2017
+- Keywords: role playing, skill
+- Code repository: https://github.com/estevaofon/angry-birds-python.git
+- Code language: Python
+- Code license: MIT
+- Code dependencies: pygame, pymunk
+
+## Building
+
+