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_mod_vendor.md

@@ -0,0 +1,50 @@
+---
+title: "hugo mod vendor"
+slug: hugo_mod_vendor
+url: /commands/hugo_mod_vendor/
+---
+## hugo mod vendor
+
+Vendor all module dependencies into the _vendor directory.
+
+### Synopsis
+
+Vendor all module dependencies into the _vendor directory.
+	If a module is vendored, that is where Hugo will look for it's dependencies.
+	
+
+```
+hugo mod vendor [flags] [args]
+```
+
+### Options
+
+```
+  -b, --baseURL string      hostname (and path) to the root, e.g. https://spf13.com/
+      --cacheDir string     filesystem path to cache directory
+  -c, --contentDir string   filesystem path to content directory
+  -h, --help                help for vendor
+  -t, --theme strings       themes to use (located in /themes/THEMENAME/)
+```
+
+### 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 mod](/commands/hugo_mod/)	 - Various Hugo Modules helpers.
+