message: Check for presence of transpiled server.js file during startup
diff: @@ -22,6 +22,9 @@ const validatePreconditions = async ({ exitOnFailure = true } = {}) => {
  success = checkIfRunningOnSupportedCPU(process.arch) && success
  const asyncConditions = (await Promise.all([
  + // Transpiled backend code
  + checkIfRequiredFileExists('build/server.js'),
  + // Angular frontend scripts
  checkIfRequiredFileExists('frontend/dist/frontend/index.html'),
  checkIfRequiredFileExists('frontend/dist/frontend/styles.css'),
  checkIfRequiredFileExists('frontend/dist/frontend/main-es2018.js'),
  