v1.6.1

Changelog

909154d Add initial GH workflow setup (#29)
496a7e2 Flatten document so nested objects are accessible (#17)
84a785c Improve docs and mention stdout output
07fedf9 Merge pull request #28 from pteich/pteich-patch-1
6deac60 Update README.md
25dfc8c Update main.go (#23)
3682806 Upgrade libs and README