[Doc] No document related to enterprise policy enforcement for local sandbox

### Describe the bug

In sandbox document, there is only a description that local sandbox can be managed by Microsoft Intune or MDM, however, there is no detailed information about how enterprise user can config and use it:

> [Enterprise policy enforcement](https://docs.github.com/en/copilot/concepts/about-cloud-and-local-sandboxes?search-overlay-input=detailed+information+about+%3A+Enterprise+policy+enforcement+For+organizations+and+enterprises%2C+local+sandbox+policies+can+be+centrally+configured+and+enforced+using+Microsoft+Intune+and+other+MDM+%28mobile+device+management%29+platforms.+This+gives+administrators+control+over+how+Copilot+interacts+with+local+resources+across+managed+devices.&search-overlay-ask-ai=true#enterprise-policy-enforcement)
For organizations and enterprises, local sandbox policies can be centrally configured and enforced using Microsoft Intune and other MDM (mobile device management) platforms. This gives administrators control over how Copilot interacts with local resources across managed devices.

### Affected version

_No response_

### Steps to reproduce the behavior

_No response_

### Expected behavior

_No response_

### Additional context

_No response_

Beginne mit der verlinkten Dokumentation zu about-cloud-and-local-sandboxes und prüfe den Abschnitt Enterprise policy enforcement. Dokumentiere, wie Enterprise-Benutzer lokale Sandbox-Richtlinien über Microsoft Intune und andere MDM-Plattformen konfigurieren und verwenden; als abgeschlossen gilt die Aufgabe, wenn die Seite detaillierte Anleitungen zur Konfiguration und Verwendung über die bestehende Übersicht hinaus bietet.

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