Add new fields to page to use it better

vrobbler/apps/books/migrations/0012_page_end_time.py

@@ -0,0 +1,18 @@
+# Generated by Django 4.1.7 on 2023-03-26 02:34
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ("books", "0011_book_genre"),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name="page",
+            name="end_time",
+            field=models.DateTimeField(blank=True, null=True),
+        ),
+    ]