Update author_details.html

Changed the title and content in accordance to the project specs

agusyquia_reading/bookshelf/templates/bookshelf/author_details.html

 {% extends 'base.html' %}
 {% load static%}
 
-{% block title %}My Favorite Books{% endblock %}
+{% block title %}{{ object.first_name }} {{ object.last_name }}{% endblock %}
 {% block content %}
     <h1>
-        {{ object.author }}
+        {{ object.first_name }} {{ object.last_name }}
     </h1>
-    {{ object.first_name }} {{ object.last_name }}<br>
+    {{ object.age }}<br>
     {{ object.nationality }}<br>
     {{ object.bio }}<br><br>
     Books by {{ object.first_name }} {{ objects.last_name }} I love:<br>