starters: standardise starters dir name to templates

templates/documentation/content/docs/reference/_index.md

@@ -0,0 +1,7 @@
+---
+linkTitle: Reference
+title: Reference
+---
+
+This section covers reference docs.
+

templates/documentation/content/docs/reference/customization.md

@@ -0,0 +1,7 @@
+---
+title: Customizing Hugo
+linkTitle: Customization
+weight: 1
+---
+
+View the full docs at https://docs.hugoblox.com/getting-started/customize/

templates/documentation/content/docs/reference/i18n.md

@@ -0,0 +1,9 @@
+---
+title: Internationalization (i18n)
+---
+
+Hugo Blox enables you to easily edit the interface text as well as translating your site into multiple languages using Hugo's [multilingual](https://gohugo.io/content-management/multilingual/) feature.
+
+<!--more-->
+
+View the full docs at https://docs.hugoblox.com/reference/language/