1. If you’re referring to adding a static link, if it’s a link within your site, when you type a page, the page appears by default. Example: https://share.getcloudapp.com/BluRKvYO
If you’re referring to something else, please explain a bit more.
2. You’ll need a custom code for this or a third-party plugin. I’m not sure if there’s a plugin for this. It might be good to ask for recommendations in our Facebook group as well: https://www.facebook.com/groups/1113359788719597