expose gonic name and version

closes #18

server/ctrlsubsonic/spec/spec.go

@@ -3,6 +3,8 @@ package spec
 import (
 	"fmt"
 	"time"
+
+	"senan.xyz/g/gonic/version"
 )
 
 var (
@@ -14,6 +16,8 @@ type Response struct {
 	Status            string             `xml:"status,attr"       json:"status"`
 	Version           string             `xml:"version,attr"      json:"version"`
 	XMLNS             string             `xml:"xmlns,attr"        json:"-"`
+	Type              string             `xml:"type,attr"         json:"type"`
+	GonicVersion      string             `xml:"gonicVersion,attr" json:"gonicVersion"`
 	Error             *Error             `xml:"error"             json:"error,omitempty"`
 	Albums            *Albums            `xml:"albumList"         json:"albumList,omitempty"`
 	AlbumsTwo         *Albums            `xml:"albumList2"        json:"albumList2,omitempty"`
@@ -39,6 +43,8 @@ func NewResponse() *Response {
 		Status:       "ok",
 		XMLNS:        xmlns,
 		Version:      apiVersion,
+		Type:         version.NAME,
+		GonicVersion: version.VERSION,
 	}
 }
 
@@ -67,6 +73,8 @@ func NewError(code int, message string, a ...interface{}) *Response {
 			Code:    code,
 			Message: fmt.Sprintf(message, a...),
 		},
+		Type:         version.NAME,
+		GonicVersion: version.VERSION,
 	}
 }