added Edit Author button

bellapanghulan_reading/bookshelf/templates/bookshelf/author_details.html

 {%extends 'base.html'%}
 {% block stylesheets %}
-    {% load static %}
-    <link rel="stylesheet" type="text/css" href="{% static 'stylesheets/author_details.css' %}">
+{% load static %}
+<link rel="stylesheet" type="text/css" href="{% static 'stylesheets/author_details.css' %}">
 {% endblock %}
 
 {% block title %}{{ object }}{% endblock %}
 
 {% block header %}
-    <h2>{{ object }}</h2>
+<h2>{{ object }}</h2>
 {% endblock %}
 
 {% block body %}
-    <div class="author-content">
+<div class="author-content">
     {% block content %}
     <div class="author-tags">
         <div class="author-tag">
@@ -22,6 +22,7 @@
         </div>
     </div>
     <p>{{ object.bio }}</p>
+    <a href="{{object.get_absolute_url}}edit" class="btn-primary">Edit Author</a>
     <h3>Books by {{ object }} I love:</h3>
     <div class="book-list">
         <ol>
@@ -38,5 +39,5 @@
         <a href="/authors/" class="btn-primary">Authors</a>
     </div>
     {% endblock %}
-    </div>
+</div>
 {% endblock %}
\ No newline at end of file