Added support for sqlite as database backend

cmd/headscale/cli/utils.go

@@ -43,6 +43,8 @@ func getHeadscaleApp() (*headscale.Headscale, error) {
 		PrivateKeyPath: absPath(viper.GetString("private_key_path")),
 		DerpMap:        derpMap,
 
+		DBtype: viper.GetString("db_type"),
+		DBpath: viper.GetString("db_path"),
 		DBhost: viper.GetString("db_host"),
 		DBport: viper.GetInt("db_port"),
 		DBname: viper.GetString("db_name"),