test plan:
* add an invalid hex code to a scss file
e.g. _variables.scss:
color: #YARRRRRRRR
* run stylelint with: `script/stylelint`
* verify the colored output only returns your introduced error
Change-Id: Ia4f2adef3635f34154d50d61249b952a380208bf
Reviewed-on: https://gerrit.instructure.com/92229
Reviewed-by: Jon Jensen <jon@instructure.com>
Product-Review: Jon Jensen <jon@instructure.com>
QA-Review: Jon Jensen <jon@instructure.com>
Tested-by: Jenkins