Add TLDR for the Intune integration

Author: braginini

src/pages/how-to/intune-mdm.mdx

@@ -1,5 +1,10 @@
 # Allow Only Intune-Managed Devices to Access Your Network
 
+<Note>
+    TLDR: Devices marked as "Non-compliant" in Intune will automatically lose access, ensuring strict adherence to your security policies.
+    Once a device returns to a "Compliant" status, access is restored.
+</Note>
+
 [Microsoft Intune](https://www.microsoft.com/en-us/security/business/endpoint-management/microsoft-intune) is a cloud-based endpoint management platform that enables organizations to manage devices, enforce security policies, and protect their networks. Intune agent presence on endpoints allows continuous collection and evaluation of device posture, which can then be used to enforce network access controls based on device compliance, security configuration, and enrollment status.
 
 The integration of NetBird with Microsoft Intune provides network security by ensuring only devices managed and compliant