newline-before-return is deprecated

[korywka]

eslint-config/eslint-config-base/index.js

Line 240 in b62e12e

'newline-before-return': 2,

newline-before-return deprecated

Replaced by [padding-line-between-statements](https://eslint.org/docs/latest/rules/padding-line-between-statements)

https://eslint.org/docs/latest/rules/padding-line-between-statements

[korywka]

#28