chore: reorganize docs apps (#7228)

* reorganize docs apps

* add README

* fix directory

* add condition for old docs

www/apps/resources/references/payment/interfaces/payment.JoinerServiceConfigAlias/page.mdx

@@ -0,0 +1,9 @@
+---
+displayed_sidebar: paymentReference
+---
+
+import { TypeList } from "docs-ui"
+
+# JoinerServiceConfigAlias
+
+<TypeList types={[{"name":"name","type":"`string` \\| `string`[]","description":"","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"args","type":"`Record<string, any>`","description":"Extra arguments to pass to the remoteFetchData callback","optional":true,"defaultValue":"","expandable":false,"children":[]}]}  sectionTitle="JoinerServiceConfigAlias"/>