fix: package name for ESM syntax (#857)

* fix package name for ESM syntax

After "npx api install" the dependecy "@api/gkmmk":"file:.api/apis/gkmmk" was created, but not "api": "file:.api/apis/gkmmk"

* Update packages/api/README.md

---------

Co-authored-by: Kanad Gupta <8854718+kanadgupta@users.noreply.github.com>

Author: EugenGedroyc

packages/api/README.md

@@ -39,8 +39,7 @@ petstore.listPets().then(({ data }) => {
 The ESM syntax is supported as well:
 
 ```js
-import api from 'api';
-const petstore = api('@petstore/v1.0#tl1e4kl1cl8eg8');
+import petstore from '@api/petstore';
 
 petstore.listPets().then(({ data }) => {
   console.log(`My pets name is ${data[0].name}!`);