Autoscaling plan for IoTDB (e.g. on Azure)

**Is your feature request related to a problem? Please describe.**

At our company, we want to have most of our services as managed services. This makes maintenance very effective on our side as we do not have to employ more people to keep the infrastructure running. Currently this is a blocker for integrating IoTDB, as everything around this database would have to be managed and scaled manually.

**Describe the solution you'd like**

A part of the documentation, describing an example of how to set up IoTDB by using only auto-scaling modules of a cloud provider - for me Azure would be the best example.

**Describe alternatives you've considered**

The documentation already has something about a Hadoop Cluster, which I could find as managed solution on Azure, but I don't know if it's a good solution (price-vise) and if it will scale automatically with our demands.

**Additional context**

Any hint is also very welcome!

As I understand, integrating the storage as a managed storage would already be a huge improvement - like a storage abstraction which is compatible with Azure Storage.

For the IoTDB instance itself my first thought was to set up a VM scale set, which will add new VMs to a cluster as certain limits (e.g. in CPU usage) are reached. If this whole idea of mine is just not the right way, I'm thrilled to get your input.

从现有的 Hadoop Cluster 文档开始，研究 Azure 托管的替代方案，包括 VM scale sets 和托管存储。确定具备 autoscaling 的 IoTDB 部署是否可行，并记录一个具体的 Azure 示例，包括存储方案、扩展行为和相关权衡。

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