message: Add missing path
diff: @@ -51,6 +51,7 @@ module.exports = {
  appIndexJs: resolveApp('src/frontend/index.tsx'),
  appPackageJson: resolveApp('package.json'),
  appSrc: resolveApp('src'),
  + appSrcBackend: resolveApp('src/backend'),
  appTest: resolveApp('test'),
  appSnapshots: resolveApp('.snapshots.js'),
  appSrcElectron: resolveApp('src/backend/electron'),
  