Update API to be more complete

vrobbler/apps/books/api/views.py

@@ -0,0 +1,19 @@
+from rest_framework import permissions, viewsets
+
+from books.api.serializers import (
+    AuthorSerializer,
+    BookSerializer,
+)
+from books.models import Author, Book
+
+
+class AuthorViewSet(viewsets.ModelViewSet):
+    queryset = Author.objects.all().order_by('-created')
+    serializer_class = AuthorSerializer
+    permission_classes = [permissions.IsAuthenticated]
+
+
+class BookViewSet(viewsets.ModelViewSet):
+    queryset = Book.objects.all().order_by('-created')
+    serializer_class = BookSerializer
+    permission_classes = [permissions.IsAuthenticated]