add auto_converted_text property to data sets

allows adding an explanation of how the dataset was automatically
converted in order to override the default one

hub/migrations/0062_datatype_auto_converted_text.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.2.5 on 2024-01-16 11:09
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("hub", "0061_alter_dataset_data_type_alter_datatype_data_type"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="datatype",
+            name="auto_converted_text",
+            field=models.TextField(blank=True, null=True),
+        ),
+    ]

hub/models.py

@@ -438,6 +438,7 @@ class DataType(TypeMixin, ShaderMixin, models.Model):
         default=False,
         help_text="True if this has been auto converted from an area with overlapping geometry",
     )
+    auto_converted_text = models.TextField(blank=True, null=True)
 
     def __str__(self):
         name = self.name