feat(content): support complete local resource references (#388)

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

@@ -7,11 +7,12 @@ 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"]
+resources:
+- name: "featured-image"
+  src: "featured-image.jpg"
 
 tags: ["installation", "configuration"]
 categories: ["documentation"]
-featuredImage: "/images/theme-documentation-basics/featured-image.jpg"
 
 lightgallery: true
 
@@ -156,7 +157,7 @@ hugo serve
 
 去查看 `http://localhost:1313`.
 
-![基本配置下的预览](/images/theme-documentation-basics/basic-configuration-preview.zh-cn.png "基本配置下的预览")
+![基本配置下的预览](basic-configuration-preview.zh-cn.png "基本配置下的预览")
 
 {{< admonition tip >}}
 当你运行 `hugo serve` 时, 当文件内容更改时, 页面会随着更改自动刷新.
@@ -789,7 +790,7 @@ hugo
 你可以参考它来配置你的社交链接.
 {{< /admonition >}}
 
-![完整配置下的预览](/images/theme-documentation-basics/complete-configuration-preview.zh-cn.png "完整配置下的预览")
+![完整配置下的预览](complete-configuration-preview.zh-cn.png "完整配置下的预览")
 
 ### 3.2 网站图标, 浏览器配置, 网站清单
 
@@ -837,7 +838,7 @@ $code-font-family: Fira Mono, Source Code Pro, Menlo, Consolas, Monaco, monospac
 
 **LoveIt** 主题完全兼容 Hugo 的多语言模式, 并且支持在网页上切换语言.
 
-![语言切换](/images/theme-documentation-basics/language-switch.gif "语言切换")
+![语言切换](language-switch.gif "语言切换")
 
 ### 4.1 兼容性 {#language-compatibility}