Update getting started document

The following document are outdated. Please check these documents and also update screenshots. If you need to update a screenshot, please use DARK mode in ABP Studio to take the screenshot.

- https://abp.io/docs/latest/get-started/microservice

<img width="2347" height="1447" alt="Image" src="https://github.com/user-attachments/assets/27da9918-8cc4-4163-a438-03911da5ff9a" />

 