v0.2.0

Changelog

47c558c Merge pull request #4 from kobtea/v8
b18ed6c add NewItem
04cd951 add due struct
168e5aa change color values
51f22ee change time format to rfc3339
46d5dde due date can have time
8445c27 fix ItemClient#Complete
9bbd8c4 fix ItemClient#Move
b2a24fe fix completion
cff7de9 fix item
15e414d fix project
645f2a8 fix test
a3da9fe refactor filter
70341a0 refactor label
34d04b8 refactor note
36d56c3 refactor project
5337872 refactor project command
8f2fd5b update readme
82b9edb use due object
ae3b8be use go 1.13
fa5ef9e use v8 api