Remove unused files in distribution in .gitattributes

What's Changed

• Remove unused files in distribution not ignored for export in gitignore by @savinmikhail in #3

New Contributors

• @savinmikhail made their first contribution in #3

Full Changelog: 0.4.0...0.4.1

Add missed template parameter in Mutator interface

Full Changelog: 0.3.0...0.4.0

Move back missed change with non-nullable Definition in Mutator interface

Full Changelog: 0.2.0...0.3.0

First public release

0.2.0

Add image to README.md