plugin information

If possible I like to see all plugins and templates last update information (last update time) in to admin panel when I click.
(Some plugin have a very old version)
thx

No file, test, or entry point is named. Start by locating the admin panel views or entry points that list plugins and templates, then determine where their update information is available. Done means the panel shows each plugin and template's last update time when opened.

Written by the indexing model from the issue text.