npm global prerequisites:
npm install -g @angular/cli
npm install -g concurrently
npm install -g nodemon
npm run start-dev
** Note - If you save changes to a server file, nodemon will restart the node process and if you save changes to a client file, webpack will refresh the browser.
cd app/
npm run start-dev
** Note - This will not start the node backend process
npm start
** Note - This will not start the client through webpack