system: add publish date to annoucement

Some minor style changes, now clicks date instead of title.

PR: https://forum.opnsense.org/index.php?topic=41972.0

src/opnsense/www/js/widgets/Announcements.js

@@ -59,7 +59,10 @@ export default class Announcements extends BaseTableWidget {
             description = $('<div/>').html(description).text();
             rows.push(`
                     <div>
-                        <a href="${link}" target='_new'">${title}</a>
+                        <strong class="text-primary">${title}</strong>
+                    </div>
+                    <div>
+                        <small><em><a href="${link}" target="_new" class="text-muted">${pubDate}</a></em></small>
                     </div>
                     <div>
                         ${description}