message: chore(cli): addding backstage backend plugin creation
diff: @@ -55,6 +55,9 @@ async function main() {
  print('Creating a Backstage Plugin');
  const pluginName = await createPlugin('test-plugin', appDir);
  + print('Creating a Backstage Backend Plugin');
  + await createPlugin('test-backend-plugin', appDir, ['--backend']);
  +
  print('Starting the app');
  await testAppServe(pluginName, appDir);
  @@ -238,8 +241,12 @@ async function overrideModuleResolutions(appDir: string, workspaceDir: string) {
  /**
  * Uses create-plugin command to create a new plugin in the app
  */
  -async function createPlugin(pluginName: string, appDir: string) {
  - const child = spawnPiped(['yarn', 'create-plugin'], {
  +async function createPlugin(
  + pluginName: string,
  + appDir: string,
  + options: string[] = [],
  +) {
  + const child = spawnPiped(['yarn', 'create-plugin', ...options], {
  cwd: appDir,
  });
  