/// <summary>
/// Initialize configuration.
/// </summary>
/// /// <param name="apiKey">Postmast API key.</param>
/// <param name="password">Postmaster password (may be optional).</param>
public static void Init(string apiKey, string password)
{
// load json.net resource
string resource = "Postmaster.io.Libraries.Newtonsoft.Json.dll";
EmbeddedAssembly.Load(resource, "Newtonsoft.Json.dll");
AppDomain.CurrentDomain.AssemblyResolve += CurrentDomain_AssemblyResolve;
Config.ApiKey = apiKey;
Config.Password = password;
}