feat: replace slugified title with unslugified tag name (#198)

Update slugified titles to be unslugified in the tag page. This is for better SEO and better a11y. Url and tag elelemnts will still be slugified.

Closes: #179

src/layouts/PostDetails.astro

@@ -70,7 +70,7 @@ const layoutProps = {
     </article>
 
     <ul class="my-8">
-      {tags.map(tag => <Tag name={slugifyStr(tag)} />)}
+      {tags.map(tag => <Tag tag={slugifyStr(tag)} />)}
     </ul>
     <div class="flex justify-end">
       <button