[books] Add utility urls to model and scrobbles

vrobbler/apps/books/migrations/0030_book_readcomics_url.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.2.19 on 2025-10-22 16:29
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('books', '0029_book_comicvine_id_book_issue_number_and_more'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='book',
+            name='readcomics_url',
+            field=models.CharField(blank=True, max_length=255, null=True),
+        ),
+    ]