Added passed time

main.go

@@ -7,12 +7,15 @@ import (
 	"log"
 	"os"
 	"strings"
+	"time"
 )
 
 func main() {
 
 	const listID = 19
 
+	now := time.Now()
+
 	client := sdk.NewAPIClient(&sdk.Configuration{
 		BasePath:      "http://localhost:8080/api/v1",
 		DefaultHeader: make(map[string]string),
@@ -182,7 +185,7 @@ outer:
 		}
 	}
 
-	log.Println("Done.")
+	log.Printf("Done in %v", time.Since(now))
 }
 
 func scanLines(path string) ([]string, error) {