feat: add post update date (#243)

* feat: Add article update date

* feat:
1.Hide update time on the homepage;
2.Replace update icon;

* remove iconify-json/mdi

---------

Co-authored-by: liangjianhao <jianhao.liang@sz-sanjiang.com>

src/components/PostCard.astro

@@ -13,6 +13,7 @@ interface Props {
   title: string
   url: string
   published: Date
+  updated?: Date
   tags: string[]
   category: string
   image: string
@@ -25,6 +26,7 @@ const {
   title,
   url,
   published,
+  updated,
   tags,
   category,
   image,
@@ -54,7 +56,7 @@ const { remarkPluginFrontmatter } = await entry.render()
         </a>
 
         <!-- metadata -->
-        <PostMetadata published={published} tags={tags} category={category} hideTagsForMobile={true} class="mb-4"></PostMetadata>
+        <PostMetadata published={published} updated={updated} tags={tags} category={category} hideTagsForMobile={true} hideUpdateDate={true} class="mb-4"></PostMetadata>
 
         <!-- description -->
         <div class:list={["transition text-75 mb-3.5 pr-4", {"line-clamp-2 md:line-clamp-1": !description}]}>