Create i18n blog posts

Content stored in /src/content/blog/[slug]/<lang>.md
TODO: fix missing content in language
TODO: main blog page

src/layouts/BlogPost.astro

@@ -0,0 +1,31 @@
+---
+import type { CollectionEntry } from "astro:content";
+import FormattedDate from "../components/FormattedDate.astro";
+import SinglePage from "./SinglePage.astro";
+import MainLayout from "./MainLayout.astro";
+
+type Props = CollectionEntry<"blog">["data"];
+
+const { title, description, publishDate, language } =
+  Astro.props;
+---
+
+<MainLayout
+  title={title}
+  description={description}
+  publishDate={publishDate}
+  lang={language}
+>
+  <article>
+    <div class="prose">
+      <div class="title">
+        <div class="date">
+          <FormattedDate date={publishDate} />
+        </div>
+        <h1>{title}</h1>
+        <hr />
+      </div>
+      <slot />
+    </div>
+  </article>
+</MainLayout>

src/layouts/MarkDownPostLayout.astro

@@ -1,7 +0,0 @@
----
-const { frontmatter } = Astro.props;
----
-
-<h1>{frontmatter.title}</h1>
-<p>{frontmatter.autor}</p>
-<slot />