message: Takes '.' for start_url if publicUrl is empty
diff: @@ -105,7 +105,7 @@ export class PublicRouter {
  ],
  display: 'standalone',
  orientation: 'any',
  - start_url: Config.Client.publicUrl,
  + start_url: Config.Client.publicUrl === '' ? '.' : Config.Client.publicUrl,
  background_color: '#000000',
  theme_color: '#000000'
  });
  