Improve <Text /> styles

[nandorojo]

Reposting from facebook/react-native#49736 per @cortinico's recommendation

Description

Compared to View, <Text /> has extremely limited styling capabilities. These all have issues / don't work at all:

• borderRadius
• padding
• height: 100%
• width: 100%
• flexGrow
• flexBasis
• justifyContent
• alignItems

The list goes on. I wonder if this is a fundamental limitation of NativeTextComponent or if it could be fixed by forwarding more styles.

I have spent a lot of time trying to port web code/libraries to native, and this is a massive headache, mainly because all HTML elements let you render text without any limitations.

For example, every <span> I turn into <Text> results in totally incorrect styles.

I'd be happy to turn this into an umbrella issue and/or assist with PRs if there is some guidance on the best approach to take.

Related from react-strict-dom: facebook/react-strict-dom#278

Thanks!