Add has_a_pending_payment field to Device model and update related views for payment handling

devices/migrations/0005_device_has_a_pending_payment.py

@@ -0,0 +1,17 @@
+# Generated by Django 5.2 on 2025-04-07 17:11
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+    dependencies = [
+        ("devices", "0004_alter_device_id"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="device",
+            name="has_a_pending_payment",
+            field=models.BooleanField(default=False),
+        ),
+    ]