On-device decisioning

### Expected Behaviour
Pre-AEP, the Adobe Target SDK offered a feature called `On-device decisioning`
https://experienceleague.adobe.com/docs/target-dev/developer/server-side/on-device-decisioning/overview.html?lang=en
It appears to generate this artifact:
https://experienceleague.adobe.com/docs/target-dev/developer/server-side/on-device-decisioning/rule-artifact/rule-artifact-example.html?lang=en

### Actual Behaviour
We're (Telus) unable to find the same instructions for AEP on the website or in this repository. Would the team be able to close this gap? The on-device decisioning would enable us to further improve the response time on our edge workers.

If this feature is only available in the previous Adobe Target API, and not the latest AEP Edge APIs, please let us know. Thanks

### Reproduce Scenario (including but not limited to)

#### Steps to Reproduce

#### Platform and Version

#### Sample Code that illustrates the problem

#### Logs taken while reproducing problem

Start with the linked Adobe Target on-device decisioning overview and rule-artifact example, then inspect this repository for corresponding AEP Edge API guidance. Determine whether on-device decisioning is supported for AEP; done means the repository or its documentation provides the instructions, or clearly records that the feature is unavailable.

Written by the indexing model from the issue text.