feat: add rss feed

src/pages/rss.xml.ts

@@ -0,0 +1,22 @@
+import rss from '@astrojs/rss';
+import config from '@/config/config.json';
+import {getCollection} from 'astro:content';
+import {sortByDate} from "../lib/utils/sortFunctions";
+
+// noinspection JSUnusedGlobalSymbols
+export async function GET(context: { site: any; }) {
+  const posts = await getCollection('posts');
+  const sortedPosts = sortByDate(posts);
+  return rss({
+    title: config.site.title,
+    description: config.metadata.meta_description,
+    site: context.site,
+    items: sortedPosts.map((post) => ({
+      title: post.data.title,
+      pubDate: post.data.date,
+      description: post.data.description,
+      link: `/posts/${post.slug}`,
+    })),
+    customData: `<language>fr-fr</language>`,
+  });
+}