lazyvim-primary/lua/plugins/mason.lua

  return -- add any tools you want to have installed below
  {
    "williamboman/mason.nvim",
    opts = {
      ensure_installed = {
        "stylua",
        "shellcheck",
        "shfmt",
        "flake8",
        "ols",
        "gitui",
      },
    },
  }