Add twig plugin for neovim

roles/neovim/files/lua/plugins/packer.lua

@@ -66,6 +66,9 @@ return require('packer').startup(function(use)
   --  Ansible syntax highlighting
   use 'pearofducks/ansible-vim'
 
+  --  Twig syntax highlighting
+  use 'nelsyeung/twig.vim'
+
   -- Automatically set up your configuration after cloning packer.nvim
   -- Put this at the end after all plugins
   if packer_bootstrap then