Created edit and add pages for books and authors

neilocampo_reading/bookshelf/urls.py

 from django.urls import path
-from .views import home, AuthorsView, AuthorDetailsView, BooksView, BookDetailsView
+from .views import (
+    home, AuthorsView, AuthorDetailsView, BooksView, BookDetailsView,
+    AuthorsCreateView, AuthorsUpdateView, BooksCreateView, BooksUpdateView
+)
 
 urlpatterns = [
     path('home/', home, name='home'),
     path('authors/', AuthorsView.as_view(), name='author-list'),
     path('author/<int:pk>/details/', AuthorDetailsView.as_view(), name='author-details'),
+    path('books/add/',BooksCreateView.as_view(),name='add-book'),
+    path('books/<int:pk>/edit/',BooksUpdateView.as_view(),name='update-book'),
     path('books/', BooksView.as_view(), name='book-list'),
     path('book/<int:pk>/details/', BookDetailsView.as_view(), name='book-details'),
+    path('authors/add/',AuthorsCreateView.as_view(),name='add-author'),
+    path('authors/<int:pk>/edit/',AuthorsUpdateView.as_view(),name='update-author'),
 ]
 
 app_name = "bookshelf"  
\ No newline at end of file

neilocampo_reading/bookshelf/views.py

 from django.shortcuts import render
 from django.views.generic.detail import DetailView
 from django.views.generic.list import ListView
-
+from django.views.generic.edit import CreateView, UpdateView
 from .models import Author, Book
 
 def home(request): 
@@ -11,17 +11,36 @@ class AuthorsView(ListView):
     model = Author
     template_name = 'bookshelf/authors.html'
 
-
 class BooksView(ListView):
     model = Book
     template_name = 'bookshelf/books.html'
 
-
 class AuthorDetailsView(DetailView):    
     model = Author
     template_name = 'bookshelf/author_details.html'
 
-
 class BookDetailsView(DetailView):
     model = Book
     template_name = 'bookshelf/book_details.html'
+
+class AuthorsCreateView(CreateView):
+    model = Author
+    fields = '__all__'
+    template_name = "bookshelf/add-author.html"
+
+class BooksCreateView(CreateView):
+    model = Book
+    fields = '__all__'
+    template_name = "bookshelf/add-book.html"
+
+class AuthorsUpdateView(UpdateView):
+    model = Author
+    fields = '__all__'
+    template_name = "bookshelf/edit-author.html"
+
+class BooksUpdateView(UpdateView):
+    model = Book
+    fields = '__all__'
+    template_name = "bookshelf/edit-book.html"
+
+