Process all files as arguments

[sputnick-dev]

It will be great to parse all files, like in this example:

gron file1.json file2.json file3.json

Only the first file is parsed. No error, no parsing of other files.

This is how tools like jq works.

Related: https://stackoverflow.com/questions/75475314/how-to-get-last-value-integer-decimal-from-file-in-perl

[sputnick-dev]

Sorry, there's another gron project. Not the good one here.

https://github.com/tomnomnom/gron/issues/28#issuecomment-1434161685