Update logger_patch.rb

Add annotation what's going on

Author: choosen

lib/aws_lambda_ric/logger_patch.rb

@@ -5,6 +5,7 @@ def initialize(logdev, shift_age = 0, shift_size = 1048576, level: 'debug',
                  progname: nil, formatter: nil, datetime_format: nil,
                  binmode: false, shift_period_suffix: '%Y%m%d')
     logdev_lambda_overwrite = logdev
+    # use unpatched constructor if logdev is a filename or an IO Object other than $stdout or $stderr
     if !logdev || logdev == $stdout || logdev == $stderr
       logdev_lambda_overwrite = AwsLambdaRuntimeInterfaceClient::TelemetryLoggingHelper.telemetry_log_sink
       @default_formatter = LambdaLogFormatter.new