Update cheatsheets

linux/feedreader

@@ -0,0 +1,29 @@
+---
+syntax: markdown
+tags: [tldr, linux]
+source: https://github.com/tldr-pages/tldr.git
+---
+# feedreader
+
+> A GUI desktop RSS client.
+> More information: <https://jangernert.github.io/FeedReader/>.
+
+- Print the count of unread articles:
+
+`feedreader --unreadCount`
+
+- Add a URL for a feed to follow:
+
+`feedreader --addFeed={{feed_url}}`
+
+- Grab a specific article using its URL:
+
+`feedreader --grabArticle={{article_url}}`
+
+- Download all images from a specific article:
+
+`feedreader --url={{feed_url}} --grabImages={{article_path}}`
+
+- Play media from a URL:
+
+`feedreader --playMedia={{article_url}}`