1. Copy the example config files in the `config` folder to the equivalent file names without the `.example` (ie: copy `config/$x.example.json` to `config/$x.json`)
2. Edit the newly created non-example files in the `config` folder to customize the set of languages, countries and categories using the `id` attributes of the respective csv files here: https://github.com/iptv-org/database/blob/master/data