refacto(log): configure log level
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		@@ -27,7 +27,6 @@ func main() {
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	var device string
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	var baud int
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	var pubFrequency float64
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	var debug bool
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	mqttQos := cli.InitIntFlag("MQTT_QOS", 0)
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	_, mqttRetain := os.LookupEnv("MQTT_RETAIN")
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@@ -55,20 +54,17 @@ func main() {
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	flag.IntVar(&steeringLeftPWM, "steering-left-pwm", steeringLeftPWM, "Right left value for steering PWM, STEERING_LEFT_PWM env if args not set")
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	flag.IntVar(&steeringRightPWM, "steering-right-pwm", steeringRightPWM, "Right right value for steering PWM, STEERING_RIGHT_PWM env if args not set")
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	flag.IntVar(&steeringCenterPWM, "steering-center-pwm", steeringCenterPWM, "Center value for steering PWM, STEERING_CENTER_PWM env if args not set")
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	flag.BoolVar(&debug, "debug", false, "Display raw value to debug")
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	logLevel := zap.LevelFlag("log", zap.InfoLevel, "log level")
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	flag.Parse()
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	if len(os.Args) <= 1 {
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		flag.PrintDefaults()
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		os.Exit(1)
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	}
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	config := zap.NewDevelopmentConfig()
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	if debug {
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		config.Level = zap.NewAtomicLevelAt(zap.DebugLevel)
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	} else {
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		config.Level = zap.NewAtomicLevelAt(zap.InfoLevel)
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	}
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	config.Level = zap.NewAtomicLevelAt(*logLevel)
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	lgr, err := config.Build()
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	if err != nil {
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		log.Fatalf("unable to init logger: %v", err)
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