How To Use Themes in Gatsby
Themes in Gatsby refer to plugins that act as a collection of configuration options, functionality, and/or user interface (UI) elements. Separating out shared features into maintained themes makes keeping your site up-to-date easier, and also lets you spend less time configuring your site and more time developing your content. In this tutorial, you will install, configure, and use a Gatsby theme for publishing blog posts: gatsby-theme-blog.