Hi,
Thank you for contacting us.
In order to add social links, I recommend you this article from our Help Center.
Regarding your second question, since this is a development based query, may opt to visit our Github account where you may get in contact with a member of our development team to query this with.
Please note that this is not an official support channel but a respective member of the development team will respond to your post as soon as they are available.
Please follow this guide which outlines the steps required to post on our Github: https://github.com/pojome/elementor/blob/master/.github/CONTRIBUTING.md
Also, currently Elementor does not have this feature.
If you like, you can submit a Feature Request on Github, which is where we take feature requests.
You can submit them at https://github.com/elementor/elementor/issues/new/choose
which gives you the opportunity to follow the discussion about ideas you submit, and track development progress of any that get implemented.
You can learn more about how to submit requests at https://github.com/elementor/elementor/blob/master/.github/CONTRIBUTING.md
Kind regards,
David
