create initial models and mobile test for mojtaba eshaghi

apps/livestock/migrations/0002_initial.py

@@ -0,0 +1,22 @@
+# Generated by Django 4.2.20 on 2025-05-05 11:54
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+        ('livestock', '0001_initial'),
+        ('tag', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='livestock',
+            name='tag',
+            field=models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, related_name='livestock_tag', to='tag.tag'),
+        ),
+    ]