message: chore(cargo): add categories to Cargo.toml
diff: @@ -9,6 +9,7 @@ repository = "https://github.com/hyperium/hyper"
  license = "MIT"
  authors = ["Sean McArthur <sean.monstar@gmail.com>"]
  keywords = ["http", "hyper", "hyperium"]
  +categories = ["web-programming::http-client", "web-programming::http-server"]
  [dependencies]
  futures = "0.1.7"
  