Merge commit '9b0050e9aabe4be65c78ccf292a348f309d50ccd' as 'docs'

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

Closes #11925

docs/content/en/functions/strings/CountWords.md

@@ -0,0 +1,20 @@
+---
+title: strings.CountWords
+description: Returns the number of words in the given string.
+categories: []
+keywords: []
+action:
+  aliases: [countwords]
+  related:
+    - functions/go-template/len
+    - functions/strings/Count
+    - functions/strings/CountRunes
+    - functions/strings/RuneCount
+  returnType: int
+  signatures: [strings.CountWords INPUT]
+aliases: [/functions/countwords]
+---
+
+```go-html-template
+{{ "Hugo is a static site generator." | countwords }} → 6
+```