feat: add server name and version to all responses

This is inline with other Subsonic compatible servers, like funkwhale, madsonic, ampache...

server/subsonic/responses/responses_test.go

@@ -10,6 +10,7 @@ import (
 	"encoding/xml"
 	"time"
 
+	"github.com/deluan/navidrome/consts"
 	. "github.com/deluan/navidrome/server/subsonic/responses"
 	. "github.com/onsi/ginkgo"
 	. "github.com/onsi/gomega"
@@ -18,7 +19,7 @@ import (
 var _ = Describe("Responses", func() {
 	var response *Subsonic
 	BeforeEach(func() {
-		response = &Subsonic{Status: "ok", Version: "1.8.0"}
+		response = &Subsonic{Status: "ok", Version: "1.8.0", Type: consts.AppName, ServerVersion: "v0.0.0"}
 	})
 
 	Describe("EmptyResponse", func() {