Added edit book button in book_details.html, added spaces in add-author.html...

Added edit book button in book_details.html, added spaces in add-author.html and add-book.html to follow clean code principles

gabigarrero_reading/bookshelf/templates/bookshelf/add-author.html

@@ -18,10 +18,10 @@
         {% endif %}
     {% endfor %}
 
-    <form method="POST">
+    <form method = "POST">
         {% csrf_token %}
         {{form.as_p}}
-        <input type="submit" value="Add Author">
+        <input type = "submit" value = "Add Author">
     </form>
 
 {% endblock %}
\ No newline at end of file

gabigarrero_reading/bookshelf/templates/bookshelf/add-book.html

@@ -21,7 +21,7 @@
     <form method="POST">
         {% csrf_token %}
         {{form.as_p}}
-        <input type="submit" value="Add Book">
+        <input type = "submit" value = "Add Book">
     </form>
 
 {% endblock %}
\ No newline at end of file

gabigarrero_reading/bookshelf/templates/bookshelf/book_details.html

@@ -12,6 +12,10 @@
     <p>{{ object.ISBN }}</p>
     <p>{{ object.blurb }}</p>
 
+    <form action = "./edit">
+        <input type = "submit" value = "Edit Book">
+    </form>
+
     <div class = "links">
         <a class = "flex-items" href = '/bookshelf/home/'>Home</a>
         <a class = "flex-items" href = '/bookshelf/books/'>Books</a>