fix: missing base path in rss (#551)

* fix missing base path in rss

* sort imports

src/pages/rss.xml.ts

@@ -1,5 +1,6 @@
 import rss from "@astrojs/rss";
 import { getSortedPosts } from "@utils/content-utils";
+import { url } from "@utils/url-utils";
 import type { APIContext } from "astro";
 import MarkdownIt from "markdown-it";
 import sanitizeHtml from "sanitize-html";
@@ -30,7 +31,7 @@ export async function GET(context: APIContext) {
 				title: post.data.title,
 				pubDate: post.data.published,
 				description: post.data.description || "",
-				link: `/posts/${post.slug}/`,
+				link: url(`/posts/${post.slug}/`),
 				content: sanitizeHtml(parser.render(cleanedContent), {
 					allowedTags: sanitizeHtml.defaults.allowedTags.concat(["img"]),
 				}),