nvim/init.early: move &background, &termguicolors into early

As many plugins use these when setting colors and highlights, leading to
poor coloring now that truecolor support is fixed in tmux

nvim/lua/psoxizsh/init.lua

@@ -10,6 +10,10 @@ local function psoxizsh_early_config()
     g.my_color_scheme = 'one'
   end
 
+  -- Color settings
+  o.background = 'dark'
+  o.termguicolors = true
+
   -- Hide buffers don't close them
   o.hidden = true
 
@@ -172,8 +176,6 @@ local function psoxizsh_post_config(plugs)
   -- Reload configuration
   vimp.nnoremap('<leader>vs', function() vimp.unmap_all() plugs:reload() end)
 
-  o.background = 'dark'
-  o.termguicolors = true
   g.one_allow_italics = 1
   cmd('highlight Comment term=italic cterm=italic gui=italic')
 end