Gets auth token

GetAzureAuthToken.cs

private static async Task<TokenCredentials> GetTokenCredentialsAsync()
{
			var clientCredential = new ClientCredential(_clientId, _clientSecret);
			var authContext = new AuthenticationContext($"https://login.windows.net/{_tenantId}");

      AuthenticationResult result;

			try
			{
				result = await authContext.AcquireTokenAsync("https://management.azure.com/", clientCredential).ConfigureAwait(false);
			}
			catch (Exception ex)
			{
				Console.WriteLine($"Could not get access token for management api. Exception: {ex.Message}");
				throw ex;
			}

			if (result == null)
			{
				throw new InvalidOperationException("Failed to obtain the JWT token");
			}

			TokenCredentials Cred = new TokenCredentials(result.AccessToken);
			return Cred;
 }