apps.dashboard.models, .tests & .views all handle new list creation when a new task item is added (but for now, undesirably, always a new list for each task item; made migrations accordingly

apps/dashboard/migrations/0003_list_item_list.py

@@ -0,0 +1,25 @@
+# Generated by Django 6.0 on 2026-01-03 03:05
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dashboard', '0002_item_text'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='List',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+            ],
+        ),
+        migrations.AddField(
+            model_name='item',
+            name='list',
+            field=models.ForeignKey(default=None, on_delete=django.db.models.deletion.CASCADE, to='dashboard.list'),
+        ),
+    ]