feat: add notification UI

showPopup was also refactored to be better

internal/commands/commands.go

@@ -67,6 +67,6 @@ func initConfig() {
 // Execute the root cobra command
 func Execute() {
 	rootCmd.SetVersionTemplate(versionTemplate)
-	rootCmd.AddCommand(newWebCmd(), newMigrateCmd(), newTokenCmd())
+	rootCmd.AddCommand(newWebCmd(), newMigrateCmd(), newTokenCmd(), newWorkerCmd())
 	rootCmd.Execute()
 }