Yes, you can add links to your belongly profile.

From the home page, click on your profile picture in the top right corner. Click on my profile, and it'll take you to your page.

Inside the purple section, there is a pencil icon next to your name. Click on the icon, and a 'edit basic details' box will appear.

There will be a 'Links' section you can add a label and a link. Please be sure to click save. You can change or update these links at any time.