Extension method for httpclient api calls sending an endpoint, httpmethod, and content data. Furthermore create a configuration class to configure auth type

public static async Task<T> ExecuteRequest<T>(this HttpClient client, string endpoint, HttpMethod httpMethod, string contentData)
    {
      try
      {
        var request = new HttpRequestMessage(httpMethod, $"{_baseURL}/{endpoint}");
        if (httpMethod != HttpMethod.Get)
        {
          request.Content = new StringContent(contentData, Encoding.UTF8, "application/json");
        }

        switch (_authType)
        {
          case AuthType.Basic:
            var enc = Encoding.ASCII.GetBytes($"{_username}:{_password}");
            request.Headers.Authorization = new System.Net.Http.Headers.AuthenticationHeaderValue("Basic", Convert.ToBase64String(enc));
            break;
          case AuthType.Bearer:
            request.Headers.Authorization = new AuthenticationHeaderValue("Bearer", _token);
            break;
          case AuthType.Cookie:
            request.Headers.Add("Cookie