Things to do before open source

[tcnksm]

The followings are the list of TODOs which I want to finish before making this public:

• Return proper errors
  • When calling Create to the field that already exists
  • When calling Update but it can not find the field
• Improve command line interface
  • Support delete sub command
  • Support update sub command
  • Support -with-after option
  • Support -with-comment option
  • Better error handling
• Support substitution of variable and local
• More testing
• Write more documentation and examples
• Publish from go.mercari.io
• Add dependabot
• Add LICENSE
• Add contribution guide
• Support Apple M1