Add the svg icon for AuthorCard's edit action.

lib/decentralised_book_index_web/components/my_components/author_card.ex

@@ -19,8 +19,12 @@ defmodule DecentralisedBookIndexWeb.Components.MyComponents.AuthorCard do
                 <ul class="py-2" aria-labelledby="dropdownButton">
                     <li>
                         <.link navigate={~p"/authors/#{@author.id}/edit"}
-                               class="block px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:hover:bg-gray-600 dark:text-gray-200 dark:hover:text-white"
+                               class="flex items-center block px-4 py-2 text-sm text-gray-700 hover:bg-gray-100 dark:hover:bg-gray-600 dark:text-gray-200 dark:hover:text-white"
                         >
+                            <svg xmlns="http://www.w3.org/2000/svg" class="h-4 w-4 mr-2 -ml-0.5" viewBox="0 0 20 20" fill="currentColor" aria-hidden="true">
+                                <path d="M17.414 2.586a2 2 0 00-2.828 0L7 10.172V13h2.828l7.586-7.586a2 2 0 000-2.828z"></path>
+                                <path fill-rule="evenodd" d="M2 6a2 2 0 012-2h4a1 1 0 010 2H4v10h10v-4a1 1 0 112 0v4a2 2 0 01-2 2H4a2 2 0 01-2-2V6z" clip-rule="evenodd"></path>
+                            </svg>
                             Edit
                         </.link>
                     </li>