You can read more about performing this process using local installations and commands on Microsoft Docs here: https://docs.microsoft.com/en-us/dynamics365/business-central/dev-itpro/developer/devenv-txt2al-tool.
If you are interested in learning more about what other commands NavContainerHelper contains, or perhaps what the commands are doing under the hood, check out the GitHub repository for it here: https://github.com/microsoft/navcontainerhelper.