Add a short page intro

Author: egorpavlikhin

src/pages/docs/octopus-ai/mcp/use-cases.mdx

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+Below are some typical example use cases that might give you a good starting point to experiment with the Octopus Deploy MCP server.
+
+We are eager to hear how you use it and what features you would like to see included in future versions.
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 ## Capability: Change Management
 
 Reason about what changes have been deployed where, to help you understand what your customers are using in production.