Update mkdocs configuration to streamline navigation structure

- Removed redundant entries from the quick start section for clarity.
- Maintained the inclusion of essential topics to ensure comprehensive guidance for users.

docs/mkdocs.yml

@@ -10,12 +10,8 @@ site_dir: "site"
 nav:
   - 首页: index.md
   - 快速开始:
-      - 创建第一个助手: quickstart/index.md
       - 环境与部署: getting-started/index.md
-      - 环境要求: getting-started/requirements.md
+      - 创建第一个助手: quickstart/index.md
-      - 配置说明: getting-started/configuration.md
-      - 部署概览: deployment/index.md
-      - Docker 部署: deployment/docker.md
   - 构建助手:
       - 助手概览: concepts/assistants.md
       - 基础配置: concepts/assistants/configuration.md
@@ -158,3 +154,4 @@ extra_javascript:
   - javascripts/mermaid.mjs
   - javascripts/extra.js
 
+