RatingBadge currently supports fontWeight but not fontSize. Add fontSize support.

Description

Provide a high-level summary of your issue.

https://github.com/lightspeed/flame/blob/de4b4c89cb5243ee4f25883a65ef5227932fbfea/packages/flame/src/Core/index.tsx#L106

Rather than spreading both objects together, use deepmerge so that a new theme may extend the ThemeUI without fully overriding the original theme.

What do you think should have happened?

The color wou

Container currently is being created out of div. We should make it compose of Box, so we have all the flexbox etc. properties.

There are lineHeight warnings in the console in development mode in React Native. I applied a fix that should be transforming line heights to px, but for some peculiar reason, the warnings are still being given.

Relevant code: https://github.com/elemental-design/elemental-react/blob/master/src/atoms/Text/Text.tsx#L20-L24