codeowners parser & checker

**Is your feature request related to a problem? Please describe.**

a reliable, maintained parser and checker for GitHub code owners so that I can trigger processes based on who owns them

**Describe the solution you'd like**

parse a file or file contents in the GH Code Owners format and then have a method on the parsed object to check files and return who owns them

something like https://github.com/beaugunderson/codeowners

**Describe alternatives you've considered**

using https://github.com/beaugunderson/codeowners but it has various dependencies and I'm concerned about long term support