neovim lua autocmd for roc lsp

[roc].nvim.lua

vim.api.nvim_create_autocmd({ "BufEnter", "BufWinEnter" }, {
    pattern = { "*.roc" },
    callback = function(ev)
        vim.lsp.start({
            name = "roc-ls",
            cmd = { "roc_language_server" },
            root_dir = vim.fn.getcwd(),
        })
    end,
})