more restructure

lua/config/options.lua

@@ -48,6 +48,7 @@ opt.expandtab= true
 opt.smartindent= true
 opt.title = true
 opt.titlestring = '%{getcwd()} - %t'
+opt.laststatus = 3 -- for lualine
 
 -- go to previous/next line with h,l,left arrow and right arrow
 -- when cursor reaches end/beginning of line