Planning to implement Email Subscription functionality on our Sitecore Site.
I don't find the Subscription Form rendering in the Layouts/Sublayouts to add the form on the page as per this url, https://doc.sitecore.com/developers/exm/35/email-experience-manager/en/the-subscription-form-control.html
We already using Sitecore Forms for Contact Us forms and EXM email messages for sending emails from contact us forms.
Do we need to install/enable any specific things to get this or anything to do at core?
Using Sitecore 9.1.1.