Add item for AEP Edge Network Server API in implementationDetails

A new entry needs to be added to implementationDetails.name XDM for distinguish between hits collected via the new Edge Network Server API.
Public docs here: https://experienceleague.adobe.com/docs/experience-platform/edge-network-server-api/overview.html?lang=en
The new entry should be: https://ns.adobe.com/experience/serverapi

## What are the schemas that are affected by the issue
implementationDetails

## What are examples of products that are impacted by the issue
None

Locate the implementationDetails.name XDM schema entry and review the public Edge Network Server API documentation linked in the issue. Add the https://ns.adobe.com/experience/serverapi entry and verify that implementationDetails reflects the new source distinction.

Written by the indexing model from the issue text.