📝 update readme.md

readme.md

@@ -22,6 +22,7 @@ type User struct {
     Email string `json:"email" sen:"email,*"`
 }
 
+func main() {
     data :=  User{
         Name: "lixh",
         Age: 18,
@@ -45,4 +46,5 @@ if err := sensitive.Desensitize(data); err != nil {
     }
     bs, _ := json.Marshal(response)
     log.Printf("after processing data: %v", string(bs))
+}
 ```