message: create-app: add missing APIs to app template
diff: * limitations under the License.
  */
  -import { ApiRegistry, ConfigApi } from '@backstage/core';
  +import {
  + ApiRegistry,
  + alertApiRef,
  + errorApiRef,
  + AlertApiForwarder,
  + ConfigApi,
  + ErrorApiForwarder,
  + ErrorAlerter,
  + oauthRequestApiRef,
  + OAuthRequestManager,
  + storageApiRef,
  + WebStorage,
  +} from '@backstage/core';
  import { catalogApiRef, CatalogClient } from '@backstage/plugin-catalog';
  @@ -28,6 +40,15 @@ export const apis = (config: ConfigApi) => {
  const builder = ApiRegistry.builder();
  + const alertApi = builder.add(alertApiRef, new AlertApiForwarder());
  + const errorApi = builder.add(
  + errorApiRef,
  + new ErrorAlerter(alertApi, new ErrorApiForwarder()),
  + );
  +
  + builder.add(storageApiRef, WebStorage.create({ errorApi }));
  + builder.add(oauthRequestApiRef, new OAuthRequestManager());
  +
  builder.add(
  catalogApiRef,
  new CatalogClient({
  