message: update create-app usage to include optional [path] argument
diff: @@ -26,10 +26,11 @@ import { version } from '../package.json';
  import createApp from './createApp';
  const main = (argv: string[]) => {
  - program.name('backstage-create-app').version(version);
  -
  program
  - .description('Creates a new app in a new directory')
  + .name('backstage-create-app')
  + .version(version)
  + .description('Creates a new app in a new directory or specified [path]')
  + .usage('[path] [options]')
  .option(
  '--skip-install',
  'Skip the install and builds steps after creating the app',
  