routes

rake routes

           Prefix Verb   URI Pattern                                    Controller#Action
    project_items GET    /projects/:project_id/items(.:format)          items#index
                  POST   /projects/:project_id/items(.:format)          items#create
 new_project_item GET    /projects/:project_id/items/new(.:format)      items#new
edit_project_item GET    /projects/:project_id/items/:id/edit(.:format) items#edit
     project_item GET    /projects/:project_id/items/:id(.:format)      items#show
                  PATCH  /projects/:project_id/items/:id(.:format)      items#update
                  PUT    /projects/:project_id/items/:id(.:format)      items#update
                  DELETE /projects/:project_id/items/:id(.:format)      items#destroy
         projects GET    /projects(.:format)                            projects#index
                  POST   /projects(.:format)                            projects#create
      new_project GET    /projects/new(.:format)                        projects#new
     edit_project GET    /projects/:id/edit(.:format)                   projects#edit
          project GET    /projects/:id(.:format)                        projects#show
                  PATCH  /projects/:id(.:format)                        projects#update
                  PUT    /projects/:id(.:format)                        projects#update
                  DELETE /projects/:id(.:format)                        projects#destroy
     capabilities GET    /capabilities(.:format)                        items#capabilities
          updates GET    /updates(.:format)                             changelog#show
             root GET    /                                              sessions#home

routes.rb

Rails.application.routes.draw do
  resources :projects do
    resources :items
  end
  
  get 'capabilities', to: 'items#capabilities'

  get 'updates', to: 'changelog#show'
  root to: 'sessions#home'
end