message: fix(windows): npm command needs .cmd extension on windows
diff: @@ -5,6 +5,8 @@ import { Lang } from './lang';
  import { printLog } from './logger';
  import { getMessage } from './messages';
  +const npmCommand = process.platform === 'win32' ? 'npm.cmd' : 'npm';
  +
  /**
  * Install specified dependencies
  * @param deps
  @@ -23,7 +25,7 @@ export function installDependencies(
  printLog(getMessage(lang, 'installDependencies'));
  }
  if (dependencies.length) {
  - const result = spawnSync('npm', ['install', ...dependencies], {
  + const result = spawnSync(npmCommand, ['install', ...dependencies], {
  cwd: outputDirectory,
  stdio: 'inherit'
  });
  @@ -33,7 +35,7 @@ export function installDependencies(
  }
  if (devDependencies.length) {
  const result = spawnSync(
  - 'npm',
  + npmCommand,
  ['install', '--save-dev', ...devDependencies],
  {
  cwd: outputDirectory,
  