v0.21.0

Changelog

• d115e62 Initial commit
• 33aed23 Install needed packages for testing
• 9a7eb35 Make sure the schema is not included in new repo input.
• 313f345 README
• ea79177 README
• 11c76a6 README
• ffd1969 README
• 7b11f7e README and unit tests
• 7116a0f Typo
• ed3f3b8 explicitly install shellcheck in CI, just in case
• 727a787 gofmt
• ceccd95 initial commit
• 2c0a607 pre-commit hooks