add top for announcement

announcement/migrations/0005_alter_announcement_options_announcement_top.py

@@ -0,0 +1,22 @@
+# Generated by Django 5.0.6 on 2024-06-23 11:57
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("announcement", "0004_announcement_tag"),
+    ]
+
+    operations = [
+        migrations.AlterModelOptions(
+            name="announcement",
+            options={"ordering": ("-top", "-create_time")},
+        ),
+        migrations.AddField(
+            model_name="announcement",
+            name="top",
+            field=models.BooleanField(default=False),
+        ),
+    ]