/// <summary>
/// Send email to user
/// </summary>
/// <param name="email">user's email</param>
/// <param name="subject">topic of letter</param>
/// <param name="message">link</param>
public async Task SendEmail(string email, string topic, string text)
{
var body = new { email = email, topic = topic, text = text };
var helper = await _httpClientWrapper.SendPostRequestAsync(URI_EMAIL, body);
}