On the project local README it says Create a src/config/local.json file and customize it for your local setup, you can use src/config/local.example.json suggesting to use local.example.json from the src/config directory if the user doesn't want to create the local.json, but on the config/index.js file never verifies if local.json exists.
Here is the snapshot of the config/index.js file
const path = require("path");
const env = process.env.NODE_ENV || "local";
const configFile = require(path.join(__dirname, `${env}.json`));
A better solution will be to use by default the local.example.json
This is the output of the console after running the project without having created the local.json file

On the project local README it says
Create a src/config/local.json file and customize it for your local setup, you can use src/config/local.example.jsonsuggesting to uselocal.example.jsonfrom the src/config directory if the user doesn't want to create thelocal.json, but on theconfig/index.jsfile never verifies if local.json exists.Here is the snapshot of the
config/index.jsfileA better solution will be to use by default the
local.example.jsonThis is the output of the console after running the project without having created the
local.jsonfile