feat: added advertiser and campaign apps

solution/services/backend/apps/advertiser/migrations/0001_initial.py

@@ -0,0 +1,25 @@
+# Generated by Django 5.1.6 on 2025-02-13 21:41
+
+import uuid
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Advertiser',
+            fields=[
+                ('id', models.UUIDField(default=uuid.uuid4, editable=False, primary_key=True, serialize=False)),
+                ('name', models.TextField()),
+            ],
+            options={
+                'abstract': False,
+            },
+        ),
+    ]