add(nvim): nvim config rewrite (wip)

.config/nvim/lua/core/bootstrap.lua

@@ -0,0 +1,43 @@
+local install_path = vim.fn.stdpath 'data' .. '/site/pack/packer/start/packer.nvim'
+local is_bootstrap = false
+if vim.fn.empty(vim.fn.glob(install_path)) > 0 then
+  is_bootstrap = true
+  vim.fn.system { 'git', 'clone', '--depth', '1', 'https://github.com/wbthomason/packer.nvim', install_path }
+  vim.cmd [[packadd packer.nvim]]
+end
+
+require('packer').startup(function(use)
+  use 'wbthomason/packer.nvim'
+
+  -- Theme
+  use 'Th3Whit3Wolf/one-nvim'
+
+  use 'lewis6991/gitsigns.nvim'
+  use {
+    'nvim-treesitter/nvim-treesitter',
+    run = function()
+      local ts_update = require('nvim-treesitter.install').update({ with_sync = true })
+      ts_update()
+    end,
+  }
+
+  use 'ThePrimeagen/vim-be-good'
+
+  if is_bootstrap then
+    require('packer').sync()
+  end
+end)
+
+-- When we are bootstrapping a configuration, it doesn't
+-- make sense to execute the rest of the init.lua.
+--
+-- You'll need to restart nvim, and then it will work.
+if is_bootstrap then
+  print '=================================='
+  print '    Plugins are being installed'
+  print '    Wait until Packer completes,'
+  print '       then restart nvim'
+  print '=================================='
+  return
+end
+