GitHub contributions graph widget similar to GitHub official iOS widget.

* Change contributions color
* Change background color (White or Black)
* Change widget size and background opacity

-- Manual Update --
Tap the widget to reacquire the data.

-- Automatic Update --
Automatically acquires data approximately once a day.
Open the app and turn on "Auto Update" on the Settings page.

Note:
If you do not see your private contributions check Contribution settings on Your profile page on GitHub.