add user api

app/controllers/api/users_controller.rb

@@ -0,0 +1,11 @@
+# frozen_string_literal: true
+
+module Api
+  class UsersController < ApiBaseController
+    authorize_resource :current_user
+
+    def show
+      render json: current_user.as_json(only: %i[id first_name last_name email])
+    end
+  end
+end

config/routes.rb

@@ -28,6 +28,7 @@ Rails.application.routes.draw do
   end
 
   namespace :api, defaults: { format: :json } do
+    resource :user, only: %i[show]
     resources :attachments, only: %i[create]
     resources :submitter_email_clicks, only: %i[create]
     resources :submitter_form_views, only: %i[create]