feat: add recommended config eslint rule

[SimenB]

Tested by copying in the built package in a project and following the added instructions in the readme

[sizebot]

	Fails
🚫	node` failed.

Log

Error:  { FetchError: invalid json response body at http://react.zpao.com/builds/master/_commits/d827445a500e497712a1a404c7ccc25779b1df5c/results.json reason: Unexpected token < in JSON at position 0
    at /home/circleci/project/node_modules/node-fetch/lib/body.js:48:31
    at process._tickCallback (internal/process/next_tick.js:68:7)
  name: 'FetchError',
  message:
   'invalid json response body at http://react.zpao.com/builds/master/_commits/d827445a500e497712a1a404c7ccc25779b1df5c/results.json reason: Unexpected token < in JSON at position 0',
  type: 'invalid-json' }

Generated by 🚫 dangerJS

[edmorley]

Thank you for opening a PR for this! I'm presuming the CI failure is an infra issue and unrelated to this change? If so, could someone retrigger CI? :-)

[SimenB]

Rebased this and added the second rule

[sizebot]

No significant bundle size changes to report.

Generated by 🚫 dangerJS against 65b466d

[stale]

This pull request has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contribution.

[gaearon]

Thanks!