// ==UserScript==
// @name        github add youtube
// @namespace   damien@pobel.fr
// @include     https://github.com/
// @version     1
// @grant       none
// ==/UserScript==

console.log("Hey");

// ==UserScript==
// @name        github add youtube
// @namespace   damien@pobel.fr
// @include     https://github.com/*
// @version     1
// @grant       none
// ==/UserScript==

console.log("Hey");

Make sure the script is executed everywhere on github
Make sure the script is executed everywhere on github
