This theme is a Hugo port of the assembly theme by http://templated.co. A two-column, fixed-width design with dark color scheme.
Follow the themes guide on the Hugo website. Briefly, within your Hugo folder:
$ cd themes
$ git clone https://github.com/salsysd/hugo-assembly.git
The config file
Take a look inside the exampleSite folder of this theme. You’ll find a file called config.toml. To use it, copy the config.toml in the root folder of your Hugo site. Feel free to change the strings in this theme.
Add theme = "hugo-assembly" to this config or when starting the service, use hugo server -t hugo-assembly.