Merge commit '9b0050e9aabe4be65c78ccf292a348f309d50ccd' as 'docs'

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

Closes #11925

docs/config/_default/params.toml

@@ -0,0 +1,28 @@
+description = "The world’s fastest framework for building websites"
+## Setting this to true will add a "noindex" to *EVERY* page on the site.
+removefromexternalsearch = false
+## Gh repo for site footer (include trailing slash)
+ghrepo = "https://github.com/gohugoio/hugoDocs/"
+## GH Repo for filing a new issue
+github_repo = "https://github.com/gohugoio/hugo/issues/new"
+### Edit content repo (set to automatically enter "edit" mode; this is good for "improve this page" links)
+ghdocsrepo = "https://github.com/gohugoio/hugoDocs/tree/master/docs"
+## Discuss Forum URL
+forum = "https://discourse.gohugo.io/"
+## Google Tag Manager
+gtmid = ""
+## Setting this to true will load layouts/partials/math.html on every page on the site.
+math = false
+
+# First one is picked as the Twitter card image if not set on page.
+images = ["images/gohugoio-card.png"]
+
+flex_box_interior_classes = "flex-auto w-100 w-40-l mr3 mb3 bg-white ba b--moon-gray nested-copy-line-height"
+
+#sidebar_direction = "sidebar_left"
+
+[social]
+  twitter = "GoHugoIOv2"
+
+[render_hooks.link]
+  errorLevel = 'warning' # ignore (default), warning, or error (fails the build)