Using wildcard in path instead of a long list of files

Hi team,

I have a question regarding the usage of `api-linter`. Currently, I'm running this

``` bash
api-linter \
-I /path/to/pathA \
-I /path/to/pathB \
--config api-linter.json \
packageA/path/to/file1.proto \
packageA/path/to/file2.proto \
# ...
packageA/path/to/fileN.proto
```

(`packageA` is in `pathA`)

is there a way to pass a wildcard instead of a list of files, for example: `packageA/**/*.proto`?

Thanks!