Added real frontend

Made hostname global and easy to change in docker

cmd/main.go

@@ -5,16 +5,13 @@ import (
 	"music-server/pkg/conf"
 )
 
-//go:embed frontend/dist
-var frontend embed.FS
-
 //go:embed swagger
 var swagger embed.FS
 
 func main() {
 	conf.SetupDb()
 
-	conf.SetupRestServer(frontend, swagger)
+	conf.SetupRestServer(swagger)
 
 	conf.CloseDb()
 }