chore(docs): add images for config and front matter

exampleSite/content/posts/theme-documentation-basics.zh-cn.md

@@ -7,6 +7,7 @@ draft: false
 author: "Dillon"
 authorLink: "https://dillonzq.com"
 description: "探索 Hugo - LoveIt 主题的全部内容和背后的核心概念."
+images: ["/images/theme-documentation-basics/featured-image.jpg"]
 
 tags: ["installation", "configuration"]
 categories: ["documentation"]
@@ -207,6 +208,8 @@ hugo
   fingerprint = ""
   # {{< version 0.2.0 >}} 日期格式
   dateFormat = "2006-01-02"
+  # 网站图片, 用于 Open Graph 和 Twitter Cards
+  images = ["/logo.png"]
 
   # {{< version 0.2.0 >}} 应用图标配置
   [params.app]