[openstreetmap/openstreetmap-website] Add support for friends' diary entries RSS feeds (Issue #4590)

[spughetti]

### Problem

RSS feeds for friends' diary entries are currently not supported

### Description

URL
https://www.openstreetmap.org/diary/friends
https://www.openstreetmap.org/diary/friends/rss

### Screenshots

_No response_

-- 
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/openstreetmap-website/issues/4590
You are receiving this because you are subscribed to this thread.

Message ID: <openstreetmap/openstreetmap-website/issues/4590 at github.com>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/rails-dev/attachments/20240318/0f089b63/attachment-0001.htm>