feat: A lot of changes

templates/announcement_row.html

@@ -1,12 +1,13 @@
 <tr>
-    <td>{id}</td>
+    <td class="cell-id">{id}</td>
     <td>{author}</td>
-    <td>{text}</td>
-    <td>{start}</td>
-    <td>{end}</td>
-    <td>
-        <form action="/api/announcements/{id}/delete" method="POST" style="display:inline">
-            <button type="submit">Delete</button>
+    <td class="cell-text" title="{text}">{text}</td>
+    <td class="cell-date">{start}</td>
+    <td class="cell-date">{end}</td>
+    <td>{flags_display}</td>
+    <td class="cell-actions">
+        <form action="/api/announcements/{id}/delete" method="POST" style="display:inline" onsubmit="return confirm('Delete announcement #{id}?')">
+            <button class="btn btn-danger btn-sm" type="submit">Delete</button>
         </form>
     </td>
-</tr>
+</tr>