Merge commit '9b0050e9aabe4be65c78ccf292a348f309d50ccd' as 'docs'

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

Closes #11925

docs/content/en/installation/macos.md

@@ -0,0 +1,46 @@
+---
+title: macOS
+description: Install Hugo on macOS.
+categories: [installation]
+keywords: []
+menu:
+  docs:
+    parent: installation
+    weight: 20
+weight: 20
+toc: true
+---
+{{% include "installation/_common/01-editions.md" %}}
+
+{{% include "installation/_common/02-prerequisites.md" %}}
+
+{{% include "installation/_common/03-prebuilt-binaries.md" %}}
+
+## Package managers
+
+{{% include "installation/_common/homebrew.md" %}}
+
+### MacPorts
+
+[MacPorts] is a free and open-source package manager for macOS. To install the extended edition of Hugo:
+
+```sh
+sudo port install hugo
+```
+
+[MacPorts]: https://www.macports.org/
+
+{{% include "installation/_common/04-build-from-source.md" %}}
+
+## Comparison
+
+||Prebuilt binaries|Package managers|Build from source
+:--|:--:|:--:|:--:
+Easy to install?|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:|
+Easy to upgrade?|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:
+Easy to downgrade?|:heavy_check_mark:|:heavy_check_mark: [^1]|:heavy_check_mark:
+Automatic updates?|:x:|:x: [^2]|:x:
+Latest version available?|:heavy_check_mark:|:heavy_check_mark:|:heavy_check_mark:
+
+[^1]: Easy if a previous version is still installed.
+[^2]: Possible but requires advanced configuration.