message: rust: add badges for crates.io
diff: @@ -15,3 +15,8 @@ edition = "2018"
  [build-dependencies]
  bindgen = "0.54.0"
  cmake = "0.1"
  +
  +[badges]
  +circle-ci = { repository = "wasmx/fizzy" }
  +codecov = { repository = "wasmx/fizzy", service = "github" }
  +maintenance = { status = "actively-developed" }
  