nvim/after/plugin/lsp.lua

local lsp_zero = require('lsp-zero')

lsp_zero.on_attach(function(client, bufnr)
    -- see :help lsp-zero-keybindings
    -- to learn the available actions
    lsp_zero.default_keymaps({buffer = bufnr})
end)

require('mason').setup({})
require('mason-lspconfig').setup({
    ensure_installed = {},
    handlers = {
        lsp_zero.default_setup,
    },
})