Changes prettier.io/playground/ to have 4 space indentation, and parens in all arrow functions.
https://zerowp.com
Weicheng Huang
Erik Humphrey
https://upway2late.com
kirklayer
Jesse W. [w5748]
https://upway2late.com
https://upway2late.com
Sun TY
ritwickdey
Unknown
krawaller
