It’s showing up fine for me. Are you saying you’re unable to see the Code Snippets displayed in the Documentation? The GitHub code snippets are where you can copy/paste the code from….(example) – https://appfinite.com/theme-setup/guru-theme-setup/#fp2
Or are you saying you’re adding the code in your theme and it’s not showing up on your homepage?
Also keep in mind, you can import all of the Home Page widgets at once by following these instructions – https://appfinite.com/theme-setup/guru-theme-setup/#ihp