Add the Author resource.

lib/decentralised_book_index/metadata.ex

@@ -4,5 +4,6 @@ defmodule DecentralisedBookIndex.Metadata do
 
   resources do
     resource DecentralisedBookIndex.Metadata.Book
+    resource DecentralisedBookIndex.Metadata.Author
   end
 end

lib/decentralised_book_index/metadata/author.ex

@@ -0,0 +1,25 @@
+defmodule DecentralisedBookIndex.Metadata.Author do
+  use Ash.Resource,
+    otp_app: :decentralised_book_index,
+    domain: DecentralisedBookIndex.Metadata
+
+  actions do
+    defaults [:read]
+  end
+
+  attributes do
+    uuid_primary_key :id
+
+    attribute :name, :string do
+      allow_nil? false
+      public? true
+    end
+
+    attribute :description, :string do
+      allow_nil? false
+      public? true
+    end
+
+    timestamps()
+  end
+end