fixed plugin require lsp integration and made reloading safer and more clean

lua/config/plugins.lua

@@ -1,5 +1,6 @@
 local fn = vim.fn
 
+-- bootstrap
 local install_path = fn.stdpath('data')..'/site/pack/packer/start/packer.nvim'
 if fn.empty(fn.glob(install_path)) > 0 then
   PACKER_BOOTSTRAP = fn.system({'git', 'clone', '--depth', '1', 'https://github.com/wbthomason/packer.nvim', install_path})
@@ -10,6 +11,7 @@ local packer = require('packer')
 packer.startup(function(use)
     use 'wbthomason/packer.nvim'
 
+    -- plugin categories
     require 'config.plugins.telescope'(use)
     require 'config.plugins.tree'(use)
     require 'config.plugins.syntax'(use)