dev_affirmations\affirmations_controller.rb

def landing
  render 'landing'
end

def new
  @affirmation = Affirmation.new
end

def create
  Affirmation.create!(affirmation_params)
  redirect_to new_affirmation_path, notice: 'Your affirmation has been created! How about another one?'
end

private
def affirmation_params
  params.require(:affirmation).permit(:body)
end