构建流水线yaml，保存和更新

config/routes/api.rb

@@ -131,6 +131,7 @@ defaults format: :json do
             end
             resources :pipelines do
               post :build_yaml, on: :collection
+              post :save_yaml, on: :collection
             end
             resources :pulls, module: 'pulls' do
               resources :versions, only: [:index] do