Add p5play

p5play is a JavaScript game engine with +50,000 monthly users.
https://p5play.org

Notably it's been used at Girls Who Code summer camps and CodeHS courses. v1 is also used by code.org.

Author: mvicky2592

collections/javascript-game-engines/index.md

@@ -19,6 +19,7 @@ items:
  - 4ian/GDevelop
  - mrdoob/three.js
  - phoboslab/Impact
+ - quinton-ashley/p5play
  - Cloud9c/taro
  - replit/kaboom
  - straker/kontra