Package darksky provides weather using the Dark Sky API, available at https://darksky.net/.
Config represents Dark Sky API configuration (just the API key) from which a weather.Provider can be built.
New creats a new DarkSky API configuration.
Coords creates a dark sky configuration for the given geographical co-ordinates.
Provider wraps a Dark Sky API url so that it can be used as a weather.Provider.
GetWeather gets weather information from DarkSky.