chore: reorganize docs apps (#7228)

* reorganize docs apps

* add README

* fix directory

* add condition for old docs

www/apps/resources/references/modules/currency_models/page.mdx

@@ -0,0 +1,14 @@
+---
+displayed_sidebar: currencyModelReference
+slug: /references/currency/models
+---
+
+import { TypeList } from "docs-ui"
+
+# Currency Module Data Models Reference
+
+This documentation provides a reference to the data models in the Currency Module
+
+## Classes
+
+- [Currency](../../currency_models/classes/currency_models.Currency/page.mdx)