serversetups/ngrok-installation.md

curl -sSL https://ngrok-agent.s3.amazonaws.com/ngrok.asc
| sudo tee /etc/apt/trusted.gpg.d/ngrok.asc >/dev/null
&& echo "deb https://ngrok-agent.s3.amazonaws.com buster main"
| sudo tee /etc/apt/sources.list.d/ngrok.list
&& sudo apt update
&& sudo apt install ngrok