Make bookmark list actions configurable (#666)

* Make bookmark list actions configurable

* Add upgrade notice

bookmarks/migrations/0029_bookmark_list_actions_toast.py

@@ -0,0 +1,34 @@
+# Generated by Django 5.0.2 on 2024-03-29 21:25
+
+from django.db import migrations
+from django.contrib.auth import get_user_model
+
+from bookmarks.models import Toast
+
+User = get_user_model()
+
+
+def forwards(apps, schema_editor):
+
+    for user in User.objects.all():
+        toast = Toast(
+            key="bookmark_list_actions_hint",
+            message="This version adds a new link to each bookmark to view details in a dialog. If you feel there is too much clutter you can now hide individual links in the settings.",
+            owner=user,
+        )
+        toast.save()
+
+
+def reverse(apps, schema_editor):
+    Toast.objects.filter(key="bookmark_list_actions_hint").delete()
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("bookmarks", "0028_userprofile_display_archive_bookmark_action_and_more"),
+    ]
+
+    operations = [
+        migrations.RunPython(forwards, reverse),
+    ]