refactor: parameterize submit delay

cfg/cfg.go

@@ -2,17 +2,19 @@ package cfg
 
 import (
 	"log"
+	"time"
 
 	"github.com/joho/godotenv"
 	"github.com/kelseyhightower/envconfig"
 )
 
 type Config struct {
-	Page      string `required:"true" split_words:"true"`
-	AdminUser string `required:"true" split_words:"true"`
-	Password  string `required:"true" split_words:"true"`
-	LogFile   bool   `required:"true" split_words:"true"`
-	Bin       string `required:"true" split_words:"true"`
+	Page        string        `required:"true" split_words:"true"`
+	AdminUser   string        `required:"true" split_words:"true"`
+	Password    string        `required:"true" split_words:"true"`
+	LogFile     bool          `required:"true" split_words:"true"`
+	Bin         string        `required:"true" split_words:"true"`
+	SubmitDelay time.Duration `default:"7500" required:"false" split_words:"true"`
 }
 
 func NewConfig(envFilePath string) *Config {