Add 'link_all_versions' flag to News model.

physionet-django/notification/migrations/0010_news_link_all_versions.py

@@ -0,0 +1,20 @@
+# Generated by Django 4.1.10 on 2024-01-30 20:50
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("notification", "0009_alter_news_slug"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="news",
+            name="link_all_versions",
+            field=models.BooleanField(
+                default=False,
+                help_text="Check this to link the news item to all versions of the selected project",
+            ),
+        ),
+    ]