Watercolor icon button

[jrmerz]

Create watercolor backed icon button. @wrenaria will provide sample watercolor image(s).
Add to component page

Things to consider:

• screen density
• screen size

(Example see XD creators page).

TODO: link to design spec issue

[wrenaria]

Watercolor samples: https://drive.google.com/drive/folders/1BX7hRF-vNYLusiQBETJzoR5uoRjH1rKd?usp=sharing

Some of these are not final form/refined, but good enough to experiment with.

[jrmerz]

@spelkey-ucd currently there is no way to set the dams-watercolor-overlay height or width, only the icon size. Let me know if you want to tackle here our open new issue.

[spelkey-ucd]

@jrmerz shoot, ok. ill do it here.