feat (control-letter): add crud, renaming sync directory

pkg/use-case-helper/use-case-helper.go

@@ -143,3 +143,10 @@ func GetTimeNow() *time.Time {
 	tmp := time.Now()
 	return &tmp
 }
+
+func IsDateBeforeNow(t *time.Time) bool {
+	if t == nil {
+		return false
+	}
+	return t.Before(time.Now())
+}