Add a "Reviewed by Hound" badge (#368)
Add a "Reviewed by Hound" badge (#368)

Adds an additional badge to the README indicating that we use https://houndci.com/ for code style violation checking in pull requests.
Swift-Flow/Swift-Flow,ReSwift/ReSwift,Swift-Flow/Swift-Flow,ReSwift/ReSwift,Swift-Flow/Swift-Flow,Swift-Flow/Swift-Flow,ReSwift/ReSwift,Swift-Flow/Swift-Flow