src/_components/index/posts.liquid
<div class="jumbotron">
<h2 class="h1 text-center">
Recent Posts
</h2>
{% for post in site.posts limit: 4 %}
{% render "posts/_post" post: post %}
{% endfor %}
<div class="jumbotron__action">
<a href="/posts" class="btn btn--primary">See More Posts</a>
</div>
</div>