This is a lightweight application based on Twilio Conversations.
You will need a backend service for this app to work.
Click here to check the backend repo for this app which is using Twilio Serverless Functions.
There you can find more details on how to set it up correctly.
After setting up the backend, you just need to clone this repo, add the functions URLs to a .env according to the .env.example, npm install and npm start to run it.