Made migrations and created the admin panel

lance_santuyo_reading/bookshelf/admin.py

 from django.contrib import admin
+from .models import Author, Books
 
-# Register your models here.
+
+class AuthorAdmin(admin.ModelAdmin):
+    model = Author
+
+
+class BooksAdmin(admin.ModelAdmin):
+    model = Books
+
+
+admin.site.register(Author, AuthorAdmin)
+admin.site.register(Books, BooksAdmin)

lance_santuyo_reading/bookshelf/migrations/0001_initial.py

+# Generated by Django 4.1.7 on 2023-03-28 11:56
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    initial = True
+
+    dependencies = [
+    ]
+
+    operations = [
+        migrations.CreateModel(
+            name='Author',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('first_name', models.CharField(blank=True, max_length=100, null=True)),
+                ('last_name', models.CharField(blank=True, max_length=100, null=True)),
+                ('age', models.IntegerField(blank=True, null=True)),
+                ('nationality', models.CharField(blank=True, max_length=100, null=True)),
+                ('bio', models.TextField(blank=True, null=True)),
+            ],
+        ),
+        migrations.CreateModel(
+            name='Book',
+            fields=[
+                ('id', models.BigAutoField(auto_created=True, primary_key=True, serialize=False, verbose_name='ID')),
+                ('title', models.CharField(blank=True, max_length=255, null=True)),
+                ('publisher', models.CharField(blank=True, max_length=255, null=True)),
+                ('year_published', models.DateField(blank=True, max_length=255, null=True)),
+                ('ISBN', models.IntegerField(blank=True, null=True)),
+                ('blurb', models.TextField(blank=True, null=True)),
+                ('course', models.ForeignKey(null=True, on_delete=django.db.models.deletion.CASCADE, to='bookshelf.author')),
+            ],
+        ),
+    ]

lance_santuyo_reading/bookshelf/migrations/0002_rename_book_books.py

+# Generated by Django 4.1.7 on 2023-03-28 12:01
+
+from django.db import migrations
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('bookshelf', '0001_initial'),
+    ]
+
+    operations = [
+        migrations.RenameModel(
+            old_name='Book',
+            new_name='Books',
+        ),
+    ]

lance_santuyo_reading/bookshelf/models.py

@@ -9,7 +9,7 @@ class Author(models.Model):
     bio = models.TextField(blank=True, null=True)
 
 
-class Book(models.Model):
+class Books(models.Model):
     title = models.CharField(max_length=255, blank=True, null=True)
     course = models.ForeignKey(Author, on_delete=models.CASCADE, null=True)
     publisher = models.CharField(max_length=255, blank=True, null=True)