modern-todolist depends on... no dependencies, so you can just simply go to modern-todolist destination and start 🎆
git clone https://github.com/robertgrzonka/modern-todolist.git
Optionally you can install http-server and run liveserver as follows:
cd modern-todolist
npm i -g http-server
npm start
cd modern-todolist
yarn global add http-server
yarn start
This will run your server on: 127.0.0.1:8080