add tag for announcement

announcement/migrations/0004_announcement_tag.py

@@ -0,0 +1,19 @@
+# Generated by Django 5.0.6 on 2024-06-13 06:09
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('announcement', '0003_auto_20180501_0436'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='announcement',
+            name='tag',
+            field=models.TextField(default=''),
+            preserve_default=False,
+        ),
+    ]