Summary:
Typography on Sandy! The designed typography is [here in Figma](https://www.figma.com/file/4e6BMdm2SuZ1L7FSuOPQVC/Flipper?node-id=238%3A172)
Current deflects
- cannot find component for 'body - small' and 'meta'
- don't know how to set 'link secondary hover' as designed
Reviewed By: mweststrate
Differential Revision: D23869256
fbshipit-source-id: efb1475749cebad529b502458d1b15bd445bb346
