chore: reorganize docs apps (#7228)

* reorganize docs apps

* add README

* fix directory

* add condition for old docs

docs-util/oas-output/schemas/CreateSalesChannel.ts

@@ -0,0 +1,23 @@
+/**
+ * @schema CreateSalesChannel
+ * type: object
+ * description: SUMMARY
+ * x-schemaName: CreateSalesChannel
+ * required:
+ *   - name
+ * properties:
+ *   name:
+ *     type: string
+ *     title: name
+ *     description: The sales channel's name.
+ *   description:
+ *     type: string
+ *     title: description
+ *     description: The sales channel's description.
+ *   is_disabled:
+ *     type: boolean
+ *     title: is_disabled
+ *     description: The sales channel's is disabled.
+ * 
+*/
+