✨ feat: add github repository card extension feature

- remove astro-compress to improve build speed
- add target and rel attributes to footer links
- rename unocss opacity utility from 'opacity' to 'op'
- update PostList component's page logic from 'isTag' to 'isHome'
- create extend.css file for markdown extended features
- reorganize and sort styles in heti.css
- fix inline code wrapping issue

src/components/Footer.astro

@@ -30,7 +30,7 @@ const links = socialLinks.map((link) => {
   <p>
     {links.map((link, index) => (
       <>
-        <a class="transition-colors hover:c-primary" href={link.url}>
+        <a class="transition-colors hover:c-primary" href={link.url} target="_blank" rel="noopener noreferrer">
           {link.name}
         </a>
         {index < links.length - 1 && ' / '}
@@ -39,7 +39,7 @@ const links = socialLinks.map((link) => {
   </p>
 
   <p>
-    Powered by <a class="transition-colors hover:c-primary" href="https://astro.build/">Astro</a> and <a class="transition-colors hover:c-primary" href="https://github.com/radishzzz/astro-theme-retypeset">Retypeset</a>
+    Powered by <a class="transition-colors hover:c-primary" href="https://astro.build/" target="_blank" rel="noopener noreferrer">Astro</a> and <a class="transition-colors hover:c-primary" href="https://github.com/radishzzz/astro-theme-retypeset" target="_blank" rel="noopener noreferrer">Retypeset</a>
   </p>
 
   <p>