Add Link to the Paid Memberships Pro Membership Account Page.

my_pmpro_member_links_top.php

/*
	Add a link to the membership account page.
	Use the pmpro_member_links_bottom hook to add links to the end of the list.
*/
function my_pmpro_member_links_top()
{
?>
<li><a href="/name-of-your-page/">Title of Your Link</a></li>
<?php
}
add_action("pmpro_member_links_top", "my_pmpro_member_links_top");