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

entries/postal_1_open_source.md

@@ -0,0 +1,16 @@
+# POSTAL 1 Open Source
+
+_Remake of Postal._
+
+- Home: https://bitbucket.org/account/user/gopostal/projects/P1OS
+- Media: https://en.wikipedia.org/wiki/Postal_(video_game)#Open_source
+- State: beta, inactive since 2018
+- Keywords: remake, commercial content, inspired by Postal, requires original content, shooter
+- Code repository: https://bitbucket.org/gopostal/postal-1-open-source (hg)
+- Code language: C++
+- Code license: GPL-2.0
+- Code dependencies: SDL2
+
+Source code of Postal 1 (also on Github maybe?).
+
+## Building