use init for colorscheme (nvim-lua#715)

init.lua

@@ -723,9 +723,8 @@ require('lazy').setup({
     --
     -- If you want to see what colorschemes are already installed, you can use `:Telescope colorscheme`
     'folke/tokyonight.nvim',
-    lazy = false, -- make sure we load this during startup if it is your main colorscheme
     priority = 1000, -- make sure to load this before all the other start plugins
-    config = function()
+    init = function()
       -- Load the colorscheme here.
       -- Like many other themes, this one has different styles, and you could load
       -- any other, such as 'tokyonight-storm', 'tokyonight-moon', or 'tokyonight-day'.