Change default config path to /etc/auth-server/config.yml

Make it the same as the package name for clarity.

cmd/auth-server/main.go

@@ -13,7 +13,7 @@ import (
 )
 
 var (
-	configPath              = flag.String("config", "/etc/authserver/config.yml", "configuration `file`")
+	configPath              = flag.String("config", "/etc/auth-server/config.yml", "configuration `file`")
 	socketPath              = flag.String("socket", "/run/auth/socket", "`path` to the UNIX socket to listen on")
 	systemdSocketActivation = flag.Bool("systemd-socket", false, "use SystemD socket activation")
 )