v0.6.0

Changelog

1e36065 fix checkout step
8c07c1b fix checkout step
5d470ff fix checkout step
8778e80 feat: add stdin input. fix error on missing input file
11642ee feat: add --raw flag and --column selection (#27)
ff3bdbe add github pages documentation site
c6e83e8 add docs branch to gh-pages action.
5460f95 Update README.md