Update the JSON API endpoint to /authors for Author.

lib/decentralised_book_index/metadata.ex

@@ -14,7 +14,7 @@ defmodule DecentralisedBookIndex.Metadata do
         related :publisher, :read, primary?: true
       end
 
-      base_route "/author", Metadata.Author do
+      base_route "/authors", Metadata.Author do
         get :read
         index :search
       end

lib/decentralised_book_index/sync/sync_tasks/sync_authors_task.ex

@@ -6,7 +6,7 @@ defmodule DecentralisedBookIndex.SyncTasks.SyncAuthorsTask do
   alias DecentralisedBookIndex.Metadata.DBIServer
 
   def sync(%DBIServer{} = server) do
-    url = "#{server.url}/api/v1/json/author"
+    url = "#{server.url}/api/v1/json/authors"
     FetchJsons.get(url, sync_author_closure(server))
 
     server