Added layouts + routes

src/layouts/TagLayout.astro

@@ -0,0 +1,25 @@
+---
+import DevBanner from '@/components/dev/DevBanner.astro'
+import BaseLayout from '@/layouts/BaseLayout.astro'
+import type { Tag } from '@/lib/site/types'
+
+type Props = { tag: Tag }
+
+const { tag } = Astro.props
+---
+
+<BaseLayout title={`Tagged: ${tag.title}`} description={tag.description || undefined}>
+  <DevBanner collection={tag.collection} id={tag.id} />
+  <section class="tag">
+    <h1>{tag.title}</h1>
+    {tag.description && <p>{tag.description}</p>}
+    <ul>
+      {tag.articles.map((article) => (
+        <li>
+          <a href={article.path}>{article.title}</a>
+          <p>{article.summary.excerpt}</p>
+        </li>
+      ))}
+    </ul>
+  </section>
+</BaseLayout>