Add long description to collections

app/templates/collections/create_edit.html

@@ -31,6 +31,9 @@
 
 		{{ render_field(form.short_description) }}
 		{{ render_checkbox_field(form.private, class_="my-3") }}
+		{% if collection %}
+			{{ render_field(form.long_description, fieldclass="form-control markdown") }}
+		{% endif %}
 
 		{% if collection and collection.items %}
 			<h2>{{ _("Packages") }}</h2>

app/templates/collections/view.html

@@ -56,6 +56,11 @@
 	<p>
 		{{ collection.short_description }}
 	</p>
+	{% if collection.long_description %}
+		<div class="markdown mb-5">
+			{{ collection.long_description | markdown }}
+		</div>
+	{% endif %}
 
 	<section class="mt-5">
 		<h2 class="sr-only">{{ _("Packages") }}</h2>