add total file lines in status

Author: DonMatano

init.lua

@@ -893,7 +893,9 @@ require('lazy').setup({
       -- default behavior. For example, here we set the section for
       -- cursor location to LINE:COLUMN
       ---@diagnostic disable-next-line: duplicate-set-field
-      statusline.section_location = function() return '%2l:%-2v' end
+      statusline.section_location = function()
+        return '%2l:%-2v - %L'
+      end
 
       -- ... and there is more!
       --  Check out: https://github.com/nvim-mini/mini.nvim