Add mkdocs documentations

docs/mkdocs.yml

@@ -0,0 +1,21 @@
+site_name: "AI Video Assistant"
+site_description: "AI 视频助手 - 智能对话与工作流管理平台"
+copyright: "2025"
+site_author: "AI Video Assistant Team"
+
+docs_dir: "content"
+site_dir: "site"
+
+nav:
+  - 首页: "index.md"
+  - 快速开始: "getting-started.md"
+  - 功能介绍:
+      - 仪表盘: "features/dashboard.md"
+      - 助手管理: "features/assistants.md"
+      - 工作流: "features/workflows.md"
+      - 模型配置: "features/models.md"
+      - 知识库: "features/knowledge.md"
+      - 历史记录: "features/history.md"
+      - 自动化测试: "features/autotest.md"
+      - 语音合成: "features/voices.md"
+  - 部署指南: "deployment.md"