docs: added reference for JS Client (#1629)

* added reference for JS Client

* added reference for JS Client

* added reference for JS Client

docs/content/references/js-client/modules/internal.md

@@ -0,0 +1,25 @@
+---
+displayed_sidebar: jsClientSidebar
+---
+
+# Namespace: internal
+
+## Classes
+
+- [StorePostSwapsReq](../classes/internal.StorePostSwapsReq.md)
+
+## Type aliases
+
+### StoreSwapsRes
+
+Ƭ **StoreSwapsRes**: `Object`
+
+#### Type declaration
+
+| Name | Type |
+| :------ | :------ |
+| `swap` | [`Swap`](../classes/internal.Swap.md) |
+
+#### Defined in
+
+packages/medusa/dist/api/routes/store/swaps/index.d.ts:6