feat(itam): Add publisher to software

!10 #12

app/itam/migrations/0011_software_publisher.py

@@ -0,0 +1,20 @@
+# Generated by Django 5.0.6 on 2024-05-23 12:49
+
+import django.db.models.deletion
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('core', '0005_manufacturer'),
+        ('itam', '0010_operatingsystem_publisher_software_publisher'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='software',
+            name='publisher',
+            field=models.ForeignKey(blank=True, default=None, null=True, on_delete=django.db.models.deletion.CASCADE, to='core.manufacturer'),
+        ),
+    ]