note archived-ness on the rss feed

node/rss.js

@@ -40,7 +40,7 @@ function createFeed(callback) {
             fs.readFile(__dirname + "/../blog/" + post.id + ".md", function (_, content) {
                 let html = converter.makeHtml(content.toString());
                 feed.addItem({
-                    title: post.name,
+                    title: post.name + (post.archived ? " (Archived)" : ""),
                     link: "https://ellpeck.de/blog-" + post.id,
                     description: post.summary,
                     content: html,