added authorcreateview to views.py in bookshelf module

bookshelf/templates/bookshelf/add-author.html

+{% extends 'base.html' %}
+
+{% block title %}Add New Author{% endblock %}
+{% block header %}Add New Author{%  endblock %}
+{% block content %}
+    <form method="post">
+    {% csrf_token %}
+    {{ form.as_p }}
+        <input type="submit" value="Add Author">
+    </form>
+{% endblock %}
\ No newline at end of file

bookshelf/views.py

 from django.shortcuts import render
 from django.views import generic
+from django.urls import reverse
 from .models import Books, Author
 
 # Create your views here.
@@ -21,6 +22,10 @@ class BookCreateView(generic.CreateView):
     fields = '__all__'
     template_name = 'bookshelf/add-book.html'
 
+    def get_success_url(self):
+        return reverse('bookshelf:bookdetailview', kwargs={'pk': self.object.id},
+                       current_app=self.request.resolver_match.namespace)
+
 
 class BookDetailView(generic.DetailView):
     model = Books
@@ -36,6 +41,16 @@ class AuthorListView(generic.ListView):
     context_object_name = 'authors'
 
 
+class AuthorCreateView(generic.CreateView):
+    model = Author
+    fields = '__all__'
+    template_name = 'bookshelf/add-author.html'
+
+    def get_success_url(self):
+        return reverse('bookshelf:authordetailview', kwargs={'pk': self.object.id},
+                       current_app=self.request.resolver_match.namespace)
+
+
 class AuthorDetailView(generic.DetailView):
     model = Author
     template_name = 'bookshelf/author_detail.html'