Merge commit '9b0050e9aabe4be65c78ccf292a348f309d50ccd' as 'docs'

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

Closes #11925

docs/content/en/commands/hugo_completion_zsh.md

@@ -0,0 +1,67 @@
+---
+title: "hugo completion zsh"
+slug: hugo_completion_zsh
+url: /commands/hugo_completion_zsh/
+---
+## hugo completion zsh
+
+Generate the autocompletion script for zsh
+
+### Synopsis
+
+Generate the autocompletion script for the zsh shell.
+
+If shell completion is not already enabled in your environment you will need
+to enable it.  You can execute the following once:
+
+	echo "autoload -U compinit; compinit" >> ~/.zshrc
+
+To load completions in your current shell session:
+
+	source <(hugo completion zsh)
+
+To load completions for every new session, execute once:
+
+#### Linux:
+
+	hugo completion zsh > "${fpath[1]}/_hugo"
+
+#### macOS:
+
+	hugo completion zsh > $(brew --prefix)/share/zsh/site-functions/_hugo
+
+You will need to start a new shell for this setup to take effect.
+
+
+```
+hugo completion zsh [flags]
+```
+
+### Options
+
+```
+  -h, --help              help for zsh
+      --no-descriptions   disable completion descriptions
+```
+
+### Options inherited from parent commands
+
+```
+      --clock string               set the clock used by Hugo, e.g. --clock 2021-11-06T22:30:00.00+09:00
+      --config string              config file (default is hugo.yaml|json|toml)
+      --configDir string           config dir (default "config")
+      --debug                      debug output
+  -d, --destination string         filesystem path to write files to
+  -e, --environment string         build environment
+      --ignoreVendorPaths string   ignores any _vendor for module paths matching the given Glob pattern
+      --logLevel string            log level (debug|info|warn|error)
+      --quiet                      build in quiet mode
+  -s, --source string              filesystem path to read files relative from
+      --themesDir string           filesystem path to themes directory
+  -v, --verbose                    verbose output
+```
+
+### SEE ALSO
+
+* [hugo completion](/commands/hugo_completion/)	 - Generate the autocompletion script for the specified shell
+