added migration

post_office/migrations/0012_add_example_context.py

@@ -0,0 +1,19 @@
+# Generated by Django 3.2.10 on 2021-12-12 02:17
+
+from django.db import migrations, models
+import jsonfield.fields
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('post_office', '0011_models_help_text'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='emailtemplate',
+            name='example_context',
+            field=jsonfield.fields.JSONField(blank=True, null=True, verbose_name='Context'),
+        ),
+    ]