add database to Device model

Sistemas/migrations/0015_device_database.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.1.3 on 2023-04-06 16:47
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('Sistemas', '0014_alter_sistemas_por_cliente_unique_together'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='device',
+            name='database',
+            field=models.CharField(blank=True, max_length=30, null=True, unique=True),
+        ),
+    ]