With the developer application you get access to all the front-end code of your project.
Just copy paste the token variable code in any of the following editors: page components, layout components, design elements or database components (if installed).
In the example below we will add the token to the bottom of the page layout using the credit bars design element.
On the right of the code editor you can click to open the Token & API variables.
Click the copy button next to the token variable you want to use and paste it in your code.
(When changing code of design elements you need to republish the layouts to see the results)
After setting the address token in the CMS or Developer the value will be shown in the published website: