Example configuration using paq-nvim.lua

config.lua

-- init.lua
local cmd = vim.cmd
local fn = vim.fn
local g = vim.g
require 'plugins'

-- plugins/init.lua
local cmd = vim.cmd
local fn = vim.fn
local g = vim.g
cmd 'packadd paq-nvim'
local paq = require('paq-nvim').paq  -- a convenient alias
paq {'savq/paq-nvim', opt = true}    -- paq-nvim manages itself
paq {'nvim-lua/popup.nvim'}
paq {'nvim-lua/plenary.nvim'}
-- ...
require 'plugins.nvimtree'
require 'plugins.treesitter'

-- plugins/nvimtree.lua
local paq = require('paq-nvim').paq  -- a convenient alias
paq {'kyazdani42/nvim-tree.lua'}
local function map(mode, lhs, rhs, opts)
  local options = {noremap = true}
  if opts then options = vim.tbl_extend('force', options, opts) end
  vim.api.nvim_set_keymap(mode, lhs, rhs, options)
end
map('n', '-',  "<cmd>:NvimTreeToggle<CR>")