Port CLI Template App blog post from learn-dojo

Port https://learn-dojo.com/dojo-cli-template-app/ over to dojo site, and update any parts where necessary to make sure the content is current.

Make sure the blog post is authored by whoever picks this up and Rene Rubalcava, with a cross-link at the bottom back to the original post.

Start by reading the source post at https://learn-dojo.com/dojo-cli-template-app/ and inspect the dojo site’s existing blog-post structure and authoring conventions. Done means the post is ported to the dojo site, updated where needed, credits the contributor and Rene Rubalcava, and links back to the original post.

Written by the indexing model from the issue text.