Add migration for dhasboard widget

aleksis/core/migrations/0009_dashboard_widget.py

+# Generated by Django 3.0.2 on 2020-01-29 16:45
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('contenttypes', '0002_remove_content_type_name'),
+        ('core', '0008_rename_fields_notification_activity'),
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='DashboardWidget',
+            fields=[
+                ('id', models.AutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(max_length=150, verbose_name='Widget Title')),
+                ('active', models.BooleanField(blank=True, verbose_name='Activate Widget')),
+                ('polymorphic_ctype', models.ForeignKey(editable=False, null=True, on_delete=django.db.models.deletion.CASCADE, related_name='polymorphic_core.dashboardwidget_set+', to='contenttypes.ContentType')),
+            ],
+            options={
+                'verbose_name': 'Dashboard Widget',
+                'verbose_name_plural': 'Dashboard Widgets',
+            },
+        ),
+    ]