Exclude diffs from file deletions

What's Changed

• Update the readme to include release badge by @johnlk in #39
• Ensure files_to_ignore is passed as a single arg by @johnlk in #38
• Center the new badges in the readme by @johnlk in #40
• Adjust the readme to center tags by @johnlk in #41
• Optimization: skip deleted files by @johnlk in #42

Full Changelog: v1.6.1...v1.7.0