Merge commit '9b0050e9aabe4be65c78ccf292a348f309d50ccd' as 'docs'

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

Closes #11925

docs/content/en/functions/hugo/IsProduction.md

@@ -0,0 +1,17 @@
+---
+title: hugo.IsProduction
+description: Reports whether the current running environment is "production".
+categories: []
+keywords: []
+action:
+  aliases: []
+  related:
+    - functions/hugo/IsDevelopment
+    - functions/hugo/Environment
+  returnType: bool
+  signatures: [hugo.IsProduction]
+---
+
+```go-html-template
+{{ hugo.IsProduction }} → true/false
+```