Merge commit '9b0050e9aabe4be65c78ccf292a348f309d50ccd' as 'docs'

```
git subtree add --prefix=docs/ https://github.com/gohugoio/hugoDocs.git master --squash
```

Closes #11925

docs/content/en/methods/site/Sections.md

@@ -0,0 +1,41 @@
+---
+title: Sections
+description: Returns a collection of first level section pages.
+categories: []
+keywords: []
+action:
+  related:
+    - methods/site/AllPages
+    - methods/site/Pages
+    - methods/site/RegularPages
+  returnType: page.Pages
+  signatures: [SITE.Sections]
+---
+
+Given this content structure:
+
+```text
+content/
+├── books/
+│   ├── book-1.md
+│   └── book-2.md
+├── films/
+│   ├── film-1.md
+│   └── film-2.md
+└── _index.md
+```
+
+This template:
+
+```go-html-template
+{{ range .Site.Sections }}
+  <h2><a href="{{ .RelPermalink }}">{{ .LinkTitle }}</a></h2>
+{{ end }}
+```
+
+Is rendered to:
+
+```html
+<h2><a href="/books/">Books</a></h2>
+<h2><a href="/films/">Films</a></h2>
+```