Installing ESLint on windows

[AiCaptain]

Type of issue: (feature suggestion, bug?)

Bug/Optimization

Chapter:

[ESLint] (https://github.com/verekia/js-stack-from-scratch/blob/master/tutorial/02-babel-es6-eslint-flow-jest-husky.md#eslint)

You write in the Note that the command won't work on windows. Thats correct for the default commandline (cmd). But if you use the git bash, you can execute the command. with the replacement of yarn add -dev to npm install --save-dev it runs with npm also.

Regards
André