feat: Create the Medusa API SDK as js-sdk package (#7276)

packages/core/js-sdk/src/index.ts

@@ -0,0 +1,18 @@
+import { Admin } from "./admin"
+import { Client } from "./client"
+import { Store } from "./store"
+import { Config } from "./types"
+
+class Medusa {
+  public client: Client
+  public admin: Admin
+  public store: Store
+
+  constructor(config: Config) {
+    this.client = new Client(config)
+    this.admin = new Admin(this.client)
+    this.store = new Store(this.client)
+  }
+}
+
+export default Medusa