+ Added a new book and new author to demonstrate pages

- comments in view.py

+ Added the classes and functionality of each

+ Finished Add Book Functionality

+ add-book.html
+ class: BooksCreateView and BooksUpdateView
+ path "books/add" in urlpattterns in urls.py

In views.py
+ class: BooksListView
+ class: BooksDetailView
+ class: AuthorsListView
+ class: AuthorsDetailView

+ books.html, book_detais.html, authors.html, author_details.html

In bookshelf app:
+ model: Author
+ model: Books

Created superuser
Migrated models

In bookshelf app
+ created urls.py
~ updated views.py

In danielramos_reading project
~ updated settings.py
~ updated urls.py

Created a .gitignore

+ installed Django and python-dotenv
+ created README.txt
+ Updated settings.py