Add documentation for vigilant server generator system

[mehdidanyal747-prog]

Code of Conduct

• I have read and agree to the GitHub Docs project's Code of Conduct

What article on docs.github.com is affected?

Server generator documentation or backend infrastructure articles on docs.github.com

What changes are you suggesting?

Propose addition of new documentation for a vigilant server generator system. Cover its features, use cases, and integration points.

Additional information

A vigilant server generator is needed to support automated scaling and resilience. Documentation will help teams adopt and configure it efficiently.

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