can pull states from email and fill config file

config/config.go

@@ -13,6 +13,7 @@ type Config struct {
 	Interval Duration
 	States   []State
 	Storage  []string
+	Client   string
 	Once     bool
 	Brokers  struct {
 		NTG struct {
@@ -57,7 +58,7 @@ func Get() *Config {
 }
 
 func Set(other Config) {
-	b, err := json.Marshal(other)
+	b, err := json.MarshalIndent(other, "", "   ")
 	if err != nil {
 		return
 	}