Cross-platform style middleware - Feedback Wanted

[macintoshhelper]

Feedback wanted on how a cross-platform style middleware could work! For now, we're using static defaultProps and style={null} to remove it.

[macintoshhelper]

Let's say start out a @react-platform/core StyleSheet API with a middleware function that can be used to add styled-components and elemental-react support? Hmm 🤔