Install yarn in WSL

install.sh

#!/bin/bash

### Uncomment the line below to install Node.js if not already installed
# sudo apt-get install nodejs

### Install Yarn
sudo apt update
sudo apt install curl
curl -sS https://dl.yarnpkg.com/debian/pubkey.gpg | sudo apt-key add -
echo "deb https://dl.yarnpkg.com/debian/ stable main" | sudo tee /etc/apt/sources.list.d/yarn.list
sudo apt update
sudo apt install yarn

### Uncomment the lines below to remove Windows yarn from PATH
# WIN_YARN_PATH="$(dirname "$(command -v yarn)")"
# export PATH="$(echo "${PATH}" | sed -e "s#${WIN_YARN_PATH}##")"

# Restart WSL