Enable creation of subunits

config/locales/en.yml

@@ -34,6 +34,7 @@ en:
       users: Users
   units:
     unit:
+      add_subunit: Subunit
       delete_unit: Delete
     index:
       add_unit: Add unit

config/routes.rb

@@ -2,7 +2,7 @@ Rails.application.routes.draw do
   devise_for :users, path: '', path_names: {registration: 'profile'},
     controllers: {registrations: :registrations}
 
-  resources :units, except: [:show]
+  resources :units, except: [:show], path_names: {new: '(/:id)/new'}
 
   resources :users, only: [:index, :show, :update] do
     member do