feat: page break

[sambacha]

Page Break:

Provides two ways to break a page, the class break-before will to break before and break-after to break after.

Example:

<!-- The title will be on a new page -->
<h1 class="break-before">My title</h1>

<p class="break-after">I will break after this paragraph</p>
<!-- Break here, the next paragraph will be on a new page -->
<p>I am on a new page</p>