crates/server: update templates with improved dashboard and styling

Signed-off-by: NotAShelf <raf@notashelf.dev>
Change-Id: I07f9de61588f61aae003f78c30fd6d326a6a6964

crates/server/templates/jobset.html

@@ -42,8 +42,12 @@
 
 <h2>Recent Evaluations</h2>
 {% if eval_summaries.is_empty() %}
-<p class="empty">No evaluations yet.</p>
+<div class="empty">
+  <div class="empty-title">No evaluations yet</div>
+  <div class="empty-hint">The evaluator will poll this jobset based on the check interval.</div>
+</div>
 {% else %}
+<div class="table-wrap">
 <table>
   <thead>
     <tr><th>Commit</th><th>Status</th><th>Succeeded</th><th>Failed</th><th>Pending</th><th>Time</th></tr>
@@ -61,5 +65,6 @@
     {% endfor %}
   </tbody>
 </table>
+</div>
 {% endif %}
 {% endblock %}