ScriptManager usage with dynamic URLs.js

ScriptManager.shared.addResolver(async (scriptId, caller) => {
  let url;
	const containers = await fetchURLs();
	const resolveURL = Federated.createURLResolver({
	  containers,
	});

  if (caller === 'main') {
    url = Script.getDevServerURL(scriptId);
  } else {
    url = resolveURL(scriptId, caller);
  }

  if (!url) {
    return undefined;
  }

  return {
    url,
    cache: false,
    query: {
      platform: Platform.OS,
    },
  };
});