[WIP] Create a professional and minimalist webpage for Intel TDX solutions

[Copilot]

Thanks for asking me to work on this. I will get started on it and keep this PR's description up to date as I form a plan and make progress.

Original prompt

设计一个网页，要求专业和简约，提供基于Intel TDX构建的不同场景的解决方案，主要分类包括：

1. Confidential infrastructure
   主要提供机密基础架构的构建，包括 TDX机密实例，SGX机密实例
2. Confidential PaaS/MaaS
   基于TDX构建的上层框架
3. Confidential Application
   包括Confidential AI, Confidenial RAG, Confidential DB, Confidential MCP等多个场景。
4. Tools
   提供基于Intel TDX，SGX开发构建方案过程的组件，工具，patch等

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