created book list and book details url paths

lancedamalerio_reading/bookshelf/urls.py

 from django.urls import path
-from .views import HomeView
+from .views import HomeView, BookListView, BookDetailView
 
 #url for bookshelf
 
 urlpatterns = [
     path('home/', HomeView, name = 'home'),
+    path('books/', BookListView.as_view(), name='book-list'),
+    path('books/<int:pk>/details', BookDetailView.as_view(), name = 'book-details'),
 ]