Fixed layout to be more flexible
Changed link to first page in pagination from /books/index to /books
Move model loading into controller constructor to avoid multiple repeatings
Add view action to the books controller
Add confirmation popup when pressing delete button
Add ability to show notifications to user
Implement Edit book action
Fix link bug
Implement Delete book action
Add action for creation new books
Add migrations for authors and author_books tables
Make some refactor of books model methods
Make some refactor on controller links
Add Author model, controller and view files