Description

Output the json config as multi line instead of single-line.
This is much more readable.

Checklist

• Run ./script/format and ./script/test locally to ensure this change passes linter check and test
• Test the changes on the local machine manually

Expected behavior

Output should look like this:

{
 "commitizen": {
 "name": "cz_conventional_commits",
 "version": "0.0.1",
 "tag_format": "$version"
 }
}