添加设计图以及说明文档

doc/docs/.vitepress/config.js

@@ -17,6 +17,7 @@ const config = {
               { text: '项目描述', link: '/zh/introduction/description' },
               { text: '开源精神', link: '/zh/introduction/openSource' },
               { text: '贡献者', link: '/zh/introduction/contributor' },
+              { text: '设计图及UI规范', link: '/zh/introduction/ui' },
             ],
           },
         ],
@@ -34,6 +35,7 @@ const config = {
               { text: 'description', link: '/en/introduction/description' },
               { text: 'openSource', link: '/en/introduction/openSource' },
               { text: 'contributor', link: '/en/introduction/contributor' },
+              { text: 'DesignDrawing、UISpecification', link: '/en/introduction/ui' },
             ],
           },
         ],