Add the explanation field to the constraints

tokenTap/migrations/0022_constraint_explanation.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.0.4 on 2023-11-22 05:39
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('tokenTap', '0021_alter_constraint_name'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='constraint',
+            name='explanation',
+            field=models.TextField(blank=True, null=True),
+        ),
+    ]