frappe/webnotes/templates/website_group/forum.html

<div class="small text-muted post-list-help"></div>
<div class="post-list">
{{ post_list_html }}	
</div>
<div class="text-center">
	<button class="btn btn-default btn-more hide">More</button>
</div>

<script>
$(function() {
	if($(".post").length===20) {
		wn.setup_pagination($(".btn-more"), {
			args: {
				cmd: "webnotes.templates.website_group.forum.get_post_list_html",
				limit_start: $(".post").length,
				limit_length: 20,
				group: website.group,
				view: website.view
			},
			$wrapper: $(".post-list")
		});
	}
	
	website.toggle_edit(true);
	website.setup_upvote();
	website.toggle_upvote();
});
</script>