Option 1
hugo new posts/_index.md
posts/_index.md
+++
title = "Posts"
date = 2021-04-07T11:23:59-07:00
draft = false
url = "/"
+++
Option 2
layouts/_default/home.html
{{ define "main" }}
{{ .Content }}
{{ range where .Site.RegularPages "Type" "posts" }}
<h2><a href="{{ .RelPermalink }}">{{ .Title }}</a></h2>
{{ end }}
{{ end }}