hugo  --printPathWarnings

stdout 'Duplicate target paths: .index.html \(2\)'

-- hugo.toml --
disableKinds = ["taxonomy", "term", "RSS", "sitemap", "robotsTXT", "404", "section"]
baseURL = "https://example.org/"
-- layouts/_default/single.html --
Single.
-- layouts/index.html --
Home.
-- content/p1.md --
---
title: "P1"
url: "/"
---