curlHow to check if response if HTTP2

This code will return HTTP version of the response:

curl -o /dev/null -s -w "%{http_version}\n" https://onelinerhub.comctrl + cyoutubegithub

`curl` base curl command	`-o /dev/null` will ask curl to skip response body
`-s` will not display any system information	`-w` will ask curl to display specified data about request
`https://onelinerhub.com` sample URL to request	`http_version` will return HTTP protocol version

curl -o /dev/null -s -w "%{http_version}\n" https://onelinerhub.com