Before you begin, if someone already create the project. The program automatically set up the SSL. However, if you get the No SSL certificate error, you don't have the SSL setup.
Setting up the SSL: Create a new folder, and run npx @adobe/create-ccweb-add-on hello-world, use all default. At a point, it will ask for automatic SSL setup or manual. Select automatic.
npm installnpm run buildnpm run start