- filenames must be the kebab-case version of the name: attribute in each file
```
ERROR:awesome_lint.py: apache.yml: file should be named apache-http-server.yml
ERROR:awesome_lint.py: not-three.yml: file should be named not-th.re.yml
ERROR:awesome_lint.py: bifroest.yml: file should be named engity's-bifröst.yml
ERROR:awesome_lint.py: whattocook.yaml: file should be named what-to-cook?.yml
ERROR:awesome_lint.py: scribblers.yml: file should be named scribble.rs.yml
ERROR:awesome_lint.py: plexripper: file should be named plexripper.yml
ERROR:awesome_lint.py: clustercontrol.yml: file should be named cluster-control.yml
```
- ref. https://github.com/awesome-selfhosted/awesome-selfhosted-data/pull/1031