[openstreetmap/openstreetmap-website] Add a basic when-last-changed feature to the history pages (PR #3535)

[JesseWeinstein]

Checking in again regarding reviews from @tomhughes and @gravitystorm . I know you are beyond overwhelmed, so I want to make sure this is as straightforward for you to review as I can make it.

-- 
Reply to this email directly or view it on GitHub:
https://github.com/openstreetmap/openstreetmap-website/pull/3535#issuecomment-1159781332
You are receiving this because you are subscribed to this thread.

Message ID: <openstreetmap/openstreetmap-website/pull/3535/c1159781332 at github.com>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstreetmap.org/pipermail/rails-dev/attachments/20220619/1169afba/attachment.htm>