feat: add 12. 如何才算完成一个AI应用

[go-wyvern]

No description provided.

[Copilot]

Pull Request Overview

This PR adds a new article titled "如何才算完成一个AI应用" (How to Consider an AI Application Complete) that discusses the misconception that simply connecting to a large language model API equals completing an AI application. The article emphasizes that true completion means solving real-world problems effectively.

• Introduces the concept that AI applications should solve specific domain problems, not just demonstrate technical capabilities
• Outlines limitations of raw models and techniques to enhance them for practical applications
• Provides guidance on selecting appropriate tools (RAG, MCP, Prompt Engineering, etc.) based on specific goals

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[Nliver]

LGTM