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

entries/the_powder_toy.md

@@ -0,0 +1,15 @@
+# The Powder Toy
+
+_Clone of Powder Game._
+
+- Home: https://powdertoy.co.uk/
+- State: mature
+- Download: (see home)
+- Platform: Windows, Linux, macOS, Android
+- Keywords: simulation, clone, inspired by Powder Game, open content
+- Code repository: https://github.com/The-Powder-Toy/The-Powder-Toy.git
+- Code language: C++, C, Lua, Python
+- Code license: GPL-3.0
+- Code dependencies: SDL2
+
+## Building