Fix rss feed

lib/rss.js

@@ -60,7 +60,7 @@ const blogPostsRssXml = (blogPosts) => {
   let latestPostDate = "";
   let rssItemsXml = "";
   blogPosts
-    .filter((post) => !post.frontmatter.draft)
+    .filter((post) => !post.slug.startsWith("_"))
     // Ternary operator is used to fix chromium sorting
     // See: https://stackoverflow.com/a/36507611
     .sort((a, b) => (a.frontmatter.date < b.frontmatter.date ? 1 : -1))