[day-03] create root type to define queries

Expose the query to get a specific user.

lib/wabanex_web/schema/types/root.ex

@@ -0,0 +1,15 @@
+defmodule WabanexWeb.Schema.Types.Root do
+  use Absinthe.Schema.Notation
+
+  alias WabanexWeb.Resolvers.User, as: UserResolver
+
+  import_types WabanexWeb.Schema.Types.User
+
+  object :root_query do
+    field :get_user, type: :user do
+      arg :id, non_null(:uuid4)
+
+      resolve &UserResolver.get/2
+    end
+  end
+end