Add Info about MCP NuGet Distribution (#1918)

* Add Info about MCP NuGet Distribution

* Apply suggestions from code review

Co-authored-by: Copilot <[email protected]>

* Update mcp-server.md

* Update mcp-server.md

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Co-authored-by: Copilot <[email protected]>
Co-authored-by: Todor Arabadzhiev <[email protected]>

Author: 3 people