Parses a data URL
data
Parse a URI with the :scheme of "data"
:scheme
t() :: %URL.Data{data: term(), mediatype: binary(), params: map()}
parse(URI.t()) :: t() | {:error, {module(), binary()}}
iex> data = URI.parse "data:text/plain;base64,SGVsbG8gV29ybGQh" iex> URL.Data.parse(data) %URL.Data{ data: "Hello World!", mediatype: "text/plain", params: %{"encoding" => "base64"} }