Add colors lua config file

roles/neovim/files/init.vim

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

roles/neovim/files/lua/colors.lua

@@ -0,0 +1,9 @@
+-- COLORS
+
+vim.opt.termguicolors = true
+vim.g.gruvbox_contrast_dark='hard'
+vim.g.gruvbox_transparent_bg = true
+vim.g.gruvbox_italic = true
+vim.opt.background = 'dark'
+vim.cmd('colorscheme gruvbox')
+vim.g.airline_theme = 'gruvbox'