Max Saykov

Results 2 issues of Max Saykov

This closes #77 and #72.

This PR tries to close #62 I've used the same implementation as @mjbcopland provided in https://github.com/APIs-guru/graphql-voyager/issues/62#issuecomment-41251608 and located button inside PanelHeader ![button.png](https://user-images.githubusercontent.com/2904139/71875847-05930800-312e-11ea-9deb-f355a63f60df.png) It's a simple implementation, because not included styles...