Azure China cloud integration for Azure Stack

Azure Stack is integrated with the Azure China cloud, enabling connections to identity, subscription, registration, billing, backup/DR and Azure Marketplace. Azure Stack unlocks a wide range of hybrid cloud use cases, such as edge and disconnected, regulatory scenarios. [Learn more](https://azure.microsoft.com/en-us/overview/azure-stack/) about Azure Stack. [Learn More](https://docs.microsoft.com/en-us/azure/azure-stack/azure-stack-key-features) about the responsibilities of being an Azure Stack operator, such as billing and syndication * Azure Stack * Features * [ Azure Stack](https://azure.microsoft.com/en-gb/overview/azure-stack/)