message: docs: update contributor docs
diff: +
  +> Documentation and development interface for component libraries
  +
  # @patternplate/box
  -> Wrap an async function to return a boxed result
  +* Framework independent
  +* Bring design docs to live with real components
  +* Powerful search and meta data system
  +
  +This is the contributor documentation for `@patternplate/babel-preset`
  +For user configuration see [sinnerschrader.github.com/patternplate](https://sinnerschrader.github.com/patternplate)
  +
  +## About @patternplate/box
  +
  +Wrap an async function to return a boxed result.
  +
  +This is useful at callsites where errors might be expected
  +and recoverable.
  ## Install
  