shopify creds and improve creds template

docs/integrations/builtin/credentials/shopify.md

@@ -13,17 +13,14 @@ You can use these credentials to authenticate the following nodes with Shopify.
 
 ## Prerequisites
 
-Create a [Shopify](https://shopify.com/) account.
+Create a [Shopify](https://shopify.com/){:target=_blank .external-link} account.
 
-## Using API Key
+## Supported authentication methods
 
-1. Access the [Apps](https://www.shopify.com/admin/apps) section of your Shopify Store's admin console.
-2. Click on 'Manage private apps' near the bottom of the page.
-3. Click on the 'Create new private app' button and create a new app by entering any necessary information. Make sure that you set appropriate for the methods you plan to use under the 'Admin API' section.
-4. Upon app creation, scroll down, and you will see your API key, Password, and Shared Secret.
-5. Use your password, API key, secret, and shop subdomain with your Shopify node credentials in n8n.
+* Access Token
+* OAuth2
+* API Key
 
-**Note:** Use the subdomain without `.myshopify.com` in n8n.
-
-![Getting Shopify credentials](/_images/integrations/builtin/credentials/shopify/using-oauth.gif)
+## Related resources
 
+Refer to [Shopify's authentication documentation](https://shopify.dev/docs/apps/auth){:target=_blank .external-link} for more information about the service.

document-templates/credentials.md

@@ -36,6 +36,8 @@ You can use these credentials to authenticate the following nodes:
 
 _Include info on services they need to sign up for_
 
+## Supported authentication methods
+
 ## Related resources
 
 <!-- add a link to the service's documentation. This should usually go direct to the API credential docs -->