chore: reorganize docs apps (#7228)

* reorganize docs apps

* add README

* fix directory

* add condition for old docs

www/apps/resources/references/pricing/interfaces/pricing.RemovePriceSetRulesDTO/page.mdx

@@ -0,0 +1,11 @@
+---
+displayed_sidebar: pricingReference
+---
+
+import { TypeList } from "docs-ui"
+
+# RemovePriceSetRulesDTO
+
+The rules to remove from a price set.
+
+<TypeList types={[{"name":"id","type":"`string`","description":"The ID of the price set.","optional":false,"defaultValue":"","expandable":false,"children":[]},{"name":"rules","type":"`string`[]","description":"The rules to remove. Each string is the `rule_attribute` of a rule to remove.","optional":false,"defaultValue":"","expandable":false,"children":[]}]}  sectionTitle="RemovePriceSetRulesDTO"/>