Created admin panel for models "Author" and "Books"

calvincruz_reading/bookshelf/admin.py

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