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/classes/AdminVariantsResource.md

@@ -0,0 +1,28 @@
+# Class: AdminVariantsResource
+
+## Hierarchy
+
+- `default`
+
+  ↳ **`AdminVariantsResource`**
+
+## Methods
+
+### list
+
+▸ **list**(`query?`, `customHeaders?`): [`ResponsePromise`](../modules/internal.md#responsepromise)<[`AdminVariantsListRes`](../modules/internal.md#adminvariantslistres)\>
+
+#### Parameters
+
+| Name | Type |
+| :------ | :------ |
+| `query?` | [`AdminGetVariantsParams`](internal.AdminGetVariantsParams.md) |
+| `customHeaders` | [`Record`](../modules/internal.md#record)<`string`, `any`\> |
+
+#### Returns
+
+[`ResponsePromise`](../modules/internal.md#responsepromise)<[`AdminVariantsListRes`](../modules/internal.md#adminvariantslistres)\>
+
+#### Defined in
+
+[packages/medusa-js/src/resources/admin/variants.ts:7](https://github.com/medusajs/medusa/blob/2eb2126f/packages/medusa-js/src/resources/admin/variants.ts#L7)