Add generated file

This PR adds generated files under pkg/client and vendor folder.

vendor/github.com/googleapis/gnostic/plugins/gnostic-go-generator/renderer.go

@@ -0,0 +1,67 @@
+// Copyright 2017 Google Inc. All Rights Reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//    http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package main
+
+import (
+	"fmt"
+	_ "os"
+	"path/filepath"
+
+	plugins "github.com/googleapis/gnostic/plugins"
+	surface "github.com/googleapis/gnostic/surface"
+)
+
+// Renderer generates code for a surface.Model.
+type Renderer struct {
+	Model   *surface.Model
+	Package string // package name
+}
+
+// NewServiceRenderer creates a renderer.
+func NewServiceRenderer(model *surface.Model) (renderer *Renderer, err error) {
+	renderer = &Renderer{}
+	renderer.Model = model
+	return renderer, nil
+}
+
+// Generate runs the renderer to generate the named files.
+func (renderer *Renderer) Render(response *plugins.Response, files []string) (err error) {
+	for _, filename := range files {
+		file := &plugins.File{Name: filename}
+		switch filename {
+		case "client.go":
+			file.Data, err = renderer.RenderClient()
+		case "types.go":
+			file.Data, err = renderer.RenderTypes()
+		case "provider.go":
+			file.Data, err = renderer.RenderProvider()
+		case "server.go":
+			file.Data, err = renderer.RenderServer()
+		case "constants.go":
+			file.Data, err = renderer.RenderConstants()
+		default:
+			file.Data = nil
+		}
+		if err != nil {
+			response.Errors = append(response.Errors, fmt.Sprintf("ERROR %v", err))
+		}
+		// run generated Go files through goimports
+		if filepath.Ext(file.Name) == ".go" {
+			file.Data, err = goimports(file.Name, file.Data)
+		}
+		response.Files = append(response.Files, file)
+	}
+	return
+}