added BookCreateView to views.py in bookshelf module

bookshelf/views.py

@@ -16,6 +16,12 @@ class BookListView(generic.ListView):
     context_object_name = 'books'
 
 
+class BookCreateView(generic.CreateView):
+    model = Books
+    fields = '__all__'
+    template_name = 'bookshelf/add-book.html'
+
+
 class BookDetailView(generic.DetailView):
     model = Books
     template_name = 'bookshelf/book_detail.html'