Your signature has the ability to set up links that redirect to your social media links, websites, and many others.
1️⃣ Go to the Organization tab
Before starting, it is important to understand the data inheritance concerning your different groups. For this, you can refer to this article.
Once you have selected the group you want to modify, go to the "Links" sub-tab to add the link you want.
When adding your links, make sure to add them in the https format at the base of the link. (In green the correct way, in red what to avoid).
To add these links to your signature, you can follow this article.