initial: Astro port of Hype404 with favicon + SEO redirects

src/pages/rss.xml.js

@@ -0,0 +1,18 @@
+import rss from '@astrojs/rss';
+import { site } from '../lib/site.js';
+import { getAllPosts, renderMarkdown, getExcerpt } from '../lib/markdown.js';
+
+export function GET(context) {
+  const posts = getAllPosts().slice(0, 20);
+  return rss({
+    title: site.name,
+    description: site.description,
+    site: context.site ?? site.url,
+    items: posts.map((post) => ({
+      title: post.title,
+      pubDate: new Date(post.date),
+      description: getExcerpt(post.body, 300),
+      link: `/${post.slug}/`,
+    })),
+  });
+}