react-spectrum v3 ui components

[jdelbick]

Description

• Provider
• Well
• Button
• Image
• Link
• Menu/MenuItem
• Icons: CheveronDown, AddCircle
• OverlayTrigger: DialogTrigger (used for Modals, Popovers and Trays)https://react-spectrum.adobe.com/react-spectrum/DialogTrigger.html
• Popover: via DialogTrigger:https://react-spectrum.adobe.com/react-spectrum/DialogTrigger.html
• Wait: ProgressCircle:https://react-spectrum.adobe.com/react-spectrum/ProgressCircle.html

Fixes # (issue)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• I have signed the Adobe Open Source CLA.
• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov]

Codecov Report

Merging #8 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master       #8   +/-   ##
=======================================
  Coverage   23.45%   23.45%           
=======================================
  Files           1        1           
  Lines          81       81           
=======================================
  Hits           19       19           
  Misses         62       62           

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[badvision]

Recommend as part of this that you make sure to use overflow:auto where possible. Overflow:scroll will always show scroll bars (and is rather an eyesore where it's not needed)