Edited authors and per author pages to reflect specs (edited authors title and made per author book list into links)

Created author_list and author_detail templates, and edited models.py to implement get_absolute_url on both Author and Books models

Updated views.py and urls.py to implement home page via FBV, & authors page and per authors page in CBV

Edited urls to reflect requirements in the specs, edited base.html to properly display a bottom navbar

Altered books model to use CharField instead of IntegerField for the publishing year, populated models with 15 records each

Fixed implementation of bookshelf app (updated settings, views, urls), created Author and Books admin panels, and migrated