message: Use npx when suggesting script to add so installing the chromatic dependency is optional.
diff: import path from 'path';
  +
  import { readFileSync, writeFileSync } from 'jsonfile';
  import { confirm } from 'node-ask';
  @@ -20,7 +21,7 @@ export default async function checkPackageJson({ log, options }) {
  if (!packageJson.scripts) packageJson.scripts = {};
  if (findScript(packageJson.scripts)) return;
  - const scriptCommand = `${`chromatic ${options.originalArgv.slice(2).join(' ')}`
  + const scriptCommand = `${`npx chromatic ${options.originalArgv.slice(2).join(' ')}`
  .replace(/--project-token[= ]\S+/, '')
  .replace(/--app-code[= ]\S+/, '')
  .trim()} --project-token=${options.projectToken}`;
  