Add generated file

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

vendor/github.com/json-iterator/go/extra/naming_strategy.go

@@ -0,0 +1,52 @@
+package extra
+
+import (
+	"github.com/json-iterator/go"
+	"strings"
+	"unicode"
+)
+
+// SetNamingStrategy rename struct fields uniformly
+func SetNamingStrategy(translate func(string) string) {
+	jsoniter.RegisterExtension(&namingStrategyExtension{jsoniter.DummyExtension{}, translate})
+}
+
+type namingStrategyExtension struct {
+	jsoniter.DummyExtension
+	translate func(string) string
+}
+
+func (extension *namingStrategyExtension) UpdateStructDescriptor(structDescriptor *jsoniter.StructDescriptor) {
+	for _, binding := range structDescriptor.Fields {
+		tag, hastag := binding.Field.Tag().Lookup("json")
+		if hastag {
+			tagParts := strings.Split(tag, ",")
+			if tagParts[0] == "-" {
+				continue // hidden field
+			}
+			if tagParts[0] != "" {
+				continue // field explicitly named
+			}
+		}
+		binding.ToNames = []string{extension.translate(binding.Field.Name())}
+		binding.FromNames = []string{extension.translate(binding.Field.Name())}
+	}
+}
+
+// LowerCaseWithUnderscores one strategy to SetNamingStrategy for. It will change HelloWorld to hello_world.
+func LowerCaseWithUnderscores(name string) string {
+	newName := []rune{}
+	for i, c := range name {
+		if i == 0 {
+			newName = append(newName, unicode.ToLower(c))
+		} else {
+			if unicode.IsUpper(c) {
+				newName = append(newName, '_')
+				newName = append(newName, unicode.ToLower(c))
+			} else {
+				newName = append(newName, c)
+			}
+		}
+	}
+	return string(newName)
+}