add clickable notification

internal/web/handler.go

@@ -15,12 +15,15 @@ type Handler struct {
 	configService ConfigService
 }
 
-// ConfigService is the small interface needed by the web layer.
 type ConfigService interface {
 	GetIntDefault(key string, def int) int
 	GetInt64Default(key string, def int64) int64
-	SetString(key, value string) error
-	GetStringDefault(key string, value string) string
+	GetStringDefault(key string, def string) string
+
+	//SetInt(key string, value int) error
+	//SetInt64(key string, value int64) error
+	//SetBool(key string, value bool) error
+	SetString(key string, value string) error
 }
 
 func NewHandler(fileService *file.Service, cfg ConfigService) *Handler {