Docs: User Guide about Multi-Stack examples

[SparkYuan]

What would you like to be added?

User Guide about Multi-Stack examples

Why is this needed?

This scenario is vital to users' daily work.

[AbdoALPOP]

👋 Hey Dayuan,

I am interested in your task and available to start immediately.

I am experienced with Docusaurus.io, Nextra, Mkdocs, and markdown. I can provide you with a user-friendly guide.

Here are some of my live guides:

• Redstone
• RHQ
• WashMaster User Guide

I'm looking forward to hearing from you soon 😃 Contact me and let's get started.

[adohe]

@AbdoALPOP Hi Abdelrahman, we sincerely welcome every contributor, this Contribution Guide will guide you how to start. For any problem, please leave comments here or send message in our Slack channel.