Implement OTP and show received callbacks

core/migrations/0004_callback.py

@@ -0,0 +1,22 @@
+# Generated by Django 4.1.2 on 2022-10-15 18:19
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0003_hook'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Callback',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('data', models.JSONField()),
+                ('hook', models.ForeignKey(on_delete=django.db.models.deletion.CASCADE, to='core.hook')),
+            ],
+        ),
+    ]