docs: added rbac recipe (#4895)

* docs: added rbac recipe

* fix eslint errors

* fixed indentation causing build error

* fix build warning

* small fixes

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Co-authored-by: Oli Juhl <59018053+olivermrbl@users.noreply.github.com>

www/docs/content/modules/products/storefront/use-categories.mdx

@@ -5,6 +5,7 @@ addHowToData: true
 
 import Tabs from '@theme/Tabs';
 import TabItem from '@theme/TabItem';
+import Badge from '@site/src/components/Badge';
 
 # How to Use Product Categories in a Storefront