Update documentation for Realtime Agent Studio with enhanced content and structure

- Revised site name and description for clarity and detail.
- Updated navigation structure to better reflect the organization of content.
- Improved changelog entries for better readability and consistency.
- Migrated assistant configuration and prompt guidelines to new documentation paths.
- Enhanced core concepts section to clarify the roles and capabilities of assistants and engines.
- Streamlined workflow documentation to provide clearer guidance on configuration and usage.

docs/content/getting-started/configuration.md

@@ -1,4 +1,4 @@
-# 配置说明
+# 配置说明
 
 本页面介绍 Realtime Agent Studio 各组件的配置方法。
 
@@ -274,5 +274,6 @@ python -c "from config import settings; print(settings)"
 
 ## 下一步
 
-- [安装部署](index.md) - 开始安装服务
+- [环境与部署](index.md) - 开始安装服务
 - [Docker 部署](../deployment/docker.md) - 容器化部署
+