docs: link to minimatch docs added.  (#15688)
docs: link to minimatch docs added.  (#15688)

* docs: link to minimatch docs added

* Update docs/user-guide/configuring/configuration-files.md

Fixes: #15670

Co-authored-by: Nicholas C. Zakas <3b9de09f2ff76afe9f0ad4fcae4ff68f52ec7fc4@humanwhocodes.com>
eslint/eslint,eslint/eslint