Release of Greykite 1.0.0 (#129)

Release of 0.5.0 (#103)

Release of 0.4.0 (update) (#84)

Update HISTORY.rst (#67)

Fixed indentation

Bumps version, adds change log. (#26)

Co-authored-by: Kaixu Yang <[email protected]>

fixed pypi image link

fixed pypi image link