* Use font roboto
* Change title.
* Add grid gap
* Restyle app; blue header, and css->inline.
* Further visual cleanup.
- Apply consistent formatting to the two plugin panes.
- Add scroll to the User Explorer.
- Both have white backgrounds with centered titles.
* Initial infrastructure for sourcecred-explorer.
Setup npm, yarn, flow, jest using scaffolding from
create-react-app.
- used create-react-app to get the basic pieces
- added support for flow via instructions in the
create-react-app user guide
- added flow-typed so that flow+jest will work well
* Add some additional resources
* Add index.css
* Remove .DS_STORE per @wchargin's suggestion