createToken method
Implementation
Future<Token?> createToken(
Map<String, dynamic> params, String publishableKey) async {
const url = "$LIVE_API_PATH/tokens";
final options = RequestOptions(publishableApiKey: publishableKey);
final response = await _getStripeResponse(RequestMethod.post, url, options,
params: params);
final token = Token.opj(response);
return token;
}