Add packer bootstrap

roles/neovim/files/init.vim

@@ -2,6 +2,7 @@ lua require('transition')
 lua require('encoding')
 lua require('remaps')
 lua require('spacetabs')
+lua require('packer')
 lua require('colors')
 
 set runtimepath^=~/.vim runtimepath+=~/.vim/after

roles/neovim/files/lua/packer.lua

@@ -0,0 +1,17 @@
+local fn = vim.fn
+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})
+  vim.cmd [[packadd packer.nvim]]
+end
+
+return require('packer').startup(function(use)
+  -- Packer can manage itself
+  use 'wbthomason/packer.nvim'
+
+  -- Automatically set up your configuration after cloning packer.nvim
+  -- Put this at the end after all plugins
+  if packer_bootstrap then
+    require('packer').sync()
+  end
+end)