getRegistry will check if the given string is a) a JSON by itself b) if is a path to a file c) remote url.

Observe the registry for changes returns json bytes and errors via channels.

ConstantRegistry is a registry that always returns the same JSON value it can be created from a JSON string or from a file path.

RemoteRegistry represents a registry that is fetched from a remote URL it can be created from a valid URL returning the JSON value on http GET request.

Registry is the interface for the JSON registry It is used to get the JSON bytes representing a set of endpoints to redirects.

RegistryType is an enum-like type that represents the type of registry useful to conditionally observe the registry according to its type.