Add Onedark Style (#590)

* Add style options to Onedark setup (init.lua)

* stylua init.lua

* Load onedark through `require`

* Improve commenting

init.lua

@@ -193,8 +193,13 @@ require('lazy').setup({
     -- Theme inspired by Atom
     'navarasu/onedark.nvim',
     priority = 1000,
+    lazy = false,
     config = function()
-      vim.cmd.colorscheme 'onedark'
+      require('onedark').setup {
+        -- Set a style preset. 'dark' is default.
+        style = 'dark', -- dark, darker, cool, deep, warm, warmer, light
+      }
+      require('onedark').load()
     end,
   },