Join lines broken by newlines to a long line.

Join paragraph lines that are broken by newlines from a long paragraph to a
long line. If the current line is a part of a block area, like pre, code,
blockquote, skip it.

src/components/article/article_body/ArticleBodyWrapper.astro

@@ -0,0 +1,18 @@
+---
+import type { CollectionKey } from "astro:content";
+import ArticleBody from "./ArticleBody.astro";
+import ArticleBodyContent from "./ArticleBodyContent.astro";
+
+interface Props {
+  articleSlug: string;
+  collectionName: CollectionKey;
+}
+const { articleSlug, collectionName } = Astro.props;
+---
+
+<ArticleBody>
+  <ArticleBodyContent
+    collectionName={collectionName}
+    articleSlug={articleSlug}
+  />
+</ArticleBody>