doc: Project and Org API Key Support Clarification (#1822)

* Update access_list_api_key.html.markdown

* Update website/docs/r/access_list_api_key.html.markdown

Co-authored-by: davidhou17 <55004296+davidhou17@users.noreply.github.com>

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Co-authored-by: davidhou17 <55004296+davidhou17@users.noreply.github.com>

website/docs/r/access_list_api_key.html.markdown

@@ -9,6 +9,8 @@ description: |-
 # Resource: mongodbatlas_access_list_api_key
 
 `mongodbatlas_access_list_api_key` provides an IP Access List entry resource. The access list grants access from IPs, CIDRs or AWS Security Groups (if VPC Peering is enabled) to clusters within the Project.
+
+-> **Note:** The `mongodbatlas_project_ip_access_list_key` resource can be used to manage all Programmatic API Keys, regardless of whether they were created at the Organization level or Project level. 
 
 -> **NOTE:** Groups and projects are synonymous terms. You may find `groupId` in the official documentation.