I’ve just created my homepage exactly like you show on the preview, but I would like to know if it would be possible to add sections/blocks after the blog posts. I would like to have a section with a quote and a paragraph about the website. Is this possible?
Also, is it possible to create sections in which the posts are divided by categories?
Narrator is a very lean theme, and out-of-the-box it does not offer any possibilities of constructing your own page layouts. To do this you’d need to perform some custom coding. Codeable, Envato Studio, and Upwork are places where you could contract an expert to perform this.