1: get html code. insert in a xml file code:

<?xml version="1.0" encoding="UTF-8"?>

<gamePage>

  <content><![CDATA[

<- Type code here ->

  ]]></content>

</gamePage>

2: write it in notepad and click save as. when you click save as, name it to any.xml and make sure its set to any files or sum

3: you get a file, go to GitHub and add a code in the respository or sum. and select the xml file

4: once you do that, name it and whatever

5: copy raw link and yes