Created model forms in new file forms.py

neilocampo_reading/bookshelf/forms.py

+from django import forms
+from .models import Book, Author
+
+class BookForm(forms.ModelForm):
+    class Meta:
+        model = Book
+        fields = '__all__'
+
+class AuthorForm(forms.ModelForm):
+    class Meta:
+        model = Author
+        fields = '__all__'
\ No newline at end of file