add event subtitle

dnscms/events/models.py

@@ -246,6 +246,14 @@ class EventPage(Page):
         ),
     )
 
+    subtitle = models.CharField(
+        blank=True,
+        max_length=128,
+        help_text=(
+            "En kort tekst som kommer rett under under tittelen. "
+            "La denne gjerne stå tom om du fikk plass til det meste i tittelen."
+        ),
+    )
     body = CommonStreamField
 
     categories = ParentalManyToManyField(
@@ -309,6 +317,7 @@ class EventPage(Page):
     ]
 
     content_panels = Page.content_panels + [
+        FieldPanel("subtitle", heading="Undertittel"),
         FieldPanel("featured_image"),
         FieldPanel("body"),
         FieldPanel("categories", widget=forms.CheckboxSelectMultiple),
@@ -345,6 +354,7 @@ class EventPage(Page):
     ]
 
     graphql_fields = [
+        GraphQLString("subtitle"),
         GraphQLImage("featured_image"),
         GraphQLStreamfield("body"),
         GraphQLString("pig"),