created url paths for authorslist and author details

lancedamalerio_reading/bookshelf/urls.py

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