add neogit neovim plugin

roles/neovim/files/lua/plugins.lua

@@ -13,4 +13,7 @@ return require('packer').startup(function()
 
 	-- Easy LSP configurations
 	use 'neovim/nvim-lspconfig'
+
+	-- Git integration
+	use { 'TimUntersberger/neogit', requires = 'nvim-lua/plenary.nvim' }
 end)

roles/neovim/files/plugin/neogit.lua

@@ -0,0 +1,2 @@
+local neogit = require('neogit')
+neogit.setup {}