Looking to access your theme's code or language options with Shopify's new theme editor layout?
In your Shopify admin click on Online store > Themes
Next to the theme that you want to edit click on the Menu button which is a small square with 3 blue dots
This will open a submenu of options which includes: Edit HTMl / CSS and Edit Language
You can add a 2nd list....
First click on Navigation in the main admin and create a new link list.
Add some links and click save.
Now return to Themes > customise theme > Footer
In the Dropdown for Footer Links choose that link list from the dropdown provided and click save
This will now show in the 3rd column of your footer.