The Linter package must be installed. See here.
See instructions here
apm install linter-slim-lint
Set this to the absolute path of your slim-lint executable, defaults to
slim-lint, which assumes you have it
in your path.
This is the name of your config file. This file will be searched for, recursively backwards, from the location of
the file you are currently editing. Ideally, you can put the config file in your project root or your home folder,
assuming your home folder is in the tree below your current file. Defaults to