feat: style tweaks

src/components/PostMeta.astro

@@ -30,7 +30,7 @@ const className = Astro.props.class;
     <div class="flex items-center">
         <div class="meta-icon"
         >
-            <Icon name="material-symbols:menu-rounded" class="text-xl"></Icon>
+            <Icon name="material-symbols:book-2-outline-rounded" class="text-xl"></Icon>
         </div>
         <div class="flex flex-row flex-nowrap items-center">
             <a href={url(`/archive/category/${category || 'uncategorized'}/`)} aria-label=`View all posts in the ${category} category`