* Adding support for aliyun as a provider
* feat: enhance Aliyun provider support
- Added Aliyun as a new provider in the desktop environment.
- Updated the environment configuration guidelines for Aliyun, including prerequisites and environment variables.
- Implemented instance allocation and management functions for Aliyun ECS, including signal handling for graceful termination.
- Improved logging and error handling during instance creation and status checks.
- Adjusted the provider's methods to utilize the new instance management functions.
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