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/interfaces/internal.Config.md

@@ -0,0 +1,37 @@
+---
+displayed_sidebar: jsClientSidebar
+---
+
+# Interface: Config
+
+[internal](../modules/internal.md).Config
+
+## Properties
+
+### apiKey
+
+• `Optional` **apiKey**: `string`
+
+#### Defined in
+
+[packages/medusa-js/src/request.ts:14](https://github.com/medusajs/medusa/blob/2eb2126f/packages/medusa-js/src/request.ts#L14)
+
+___
+
+### baseUrl
+
+• **baseUrl**: `string`
+
+#### Defined in
+
+[packages/medusa-js/src/request.ts:12](https://github.com/medusajs/medusa/blob/2eb2126f/packages/medusa-js/src/request.ts#L12)
+
+___
+
+### maxRetries
+
+• **maxRetries**: `number`
+
+#### Defined in
+
+[packages/medusa-js/src/request.ts:13](https://github.com/medusajs/medusa/blob/2eb2126f/packages/medusa-js/src/request.ts#L13)