update sing-box support

conf/sing.go

@@ -0,0 +1,22 @@
+package conf
+
+type SingConfig struct {
+	LogConfig    SingLogConfig `yaml:"LogConfig"`
+	OriginalPath string        `yaml:"OriginalPath"`
+}
+
+type SingLogConfig struct {
+	Disabled  bool   `yaml:"Disable"`
+	Level     string `yaml:"Level"`
+	Output    string `yaml:"Output"`
+	Timestamp bool   `yaml:"Timestamp"`
+}
+
+func NewSingConfig() *SingConfig {
+	return &SingConfig{
+		LogConfig: SingLogConfig{
+			Level:     "error",
+			Timestamp: true,
+		},
+	}
+}