11. app/controllers/todos_controller.rb class TodosController < ApplicationController respond_to :html, :json def index respond_to do |format| format.html {} format.json do @todos = Todo.order("created_at asc") respond_with @todos end end end def show @todo = Todo.find(params[:id]) respond_with @todo end def create @todo = Todo.create(params[:todo]) respond_with @todo end def update @todo = Todo.f