Auto-formatting doesn't work in VSCode

[Dean (딘)]

[Dean (딘)]

Info for VSCode users

ESLint updated it's extension and you now require to add the following to your settings:

"editor.codeActionsOnSave": {
    "source.fixAll.eslint": true
},

[nick]

Same for IDEA. Let's reopen and add to docs.

[nick]

Added to the docs in my PR. #18