set image bounds to collections and series

scipost_django/series/templates/series/collection_detail.html

@@ -55,7 +55,7 @@
       {% endif %}
       {% if collection.image %}
 	<div class="p-2">
-	  <img class="d-flex me-3 p-2" style="max-width: 100%;" alt="image" src="{{ collection.image.url }}">
+	  <img class="d-flex me-3 p-2" style="max-height: 350px; max-width: 100%;" alt="image" src="{{ collection.image.url }}">
 	</div>
       {% endif %}
     </div>

scipost_django/series/templates/series/series_detail.html

@@ -38,7 +38,7 @@
       </ul>
       <div class="p-2">
 	{% if series.image %}
-	  <img class="d-flex me-3" alt="series image" src="{{ series.image.url }}">
+	  <img class="d-flex me-3" style="max-height: 350px; max-width: 100%;" alt="series image" src="{{ series.image.url }}">
 	{% endif %}
       </div>
     </div>