Update migrations and diagram.

consultation_analyser/consultations/migrations/0003_theme_question.py

@@ -0,0 +1,20 @@
+# Generated by Django 5.0.3 on 2024-03-20 17:36
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("consultations", "0002_consultationresponse_consultation"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="theme",
+            name="question",
+            field=models.ForeignKey(
+                null=True, on_delete=django.db.models.deletion.CASCADE, to="consultations.question"
+            ),
+        ),
+    ]