add user_cla response

app/controllers/users/clas_controller.rb

@@ -1,4 +1,6 @@
 class Users::ClasController <  Users::BaseController
+    before_action :require_login
+    before_action :private_user_resources!
     def index
         @user_clas = UserCla.where(user: @_observed_user)
     end

app/views/users/clas/_detail.json.jbuilder

@@ -5,4 +5,7 @@ json.state user_cla.state
 json.created_at format_time(user_cla.created_at)
 json.cla do 
     json.partial! "/organizations/clas/detail", locals: {cla: user_cla.cla}
-end
+end
+json.organization do 
+    json.partial! "organizations/organizations/simple", organization: user_cla.cla.organization
+  end