Donate to Scatter panel

I've been brainstorming and think that it would be interesting to have a panel like this in Scatter which allows users to directly vote on which features they would like bounties put on and developed.

<img width="1071" alt="Screen Shot 2020-01-20 at 11 22 26 PM" src="https://user-images.githubusercontent.com/814302/72802246-02326d00-3c54-11ea-8fee-7318f95d6be0.png">
