in gitsigns: no word diff by default and add a bind to toggle

lua/plugins.lua

@@ -253,7 +253,7 @@ local plugins = {
     "lewis6991/gitsigns.nvim",
     config = function()
       require('gitsigns').setup({
-        word_diff = true,
+        numhl = true,
         on_attach = function(bufnr)
           local gs = package.loaded.gitsigns
 
@@ -310,7 +310,12 @@ local plugins = {
           )
           map('n', '<leader>hd', gs.diffthis, { desc = "Diff this" })
           map('n', '<leader>hD', function() gs.diffthis('~') end, { desc = "Diff this (ignore whitespace)" })
-          map('n', '<leader>td', gs.toggle_deleted, { desc = "Toggle deleted" })
+          map(
+            "n",
+            "<leader>td",
+            function () gs.toggle_linehl() gs.toggle_word_diff() gs.toggle_deleted() end,
+            { desc = "toggle diff highlight" }
+          )
 
           -- Text object
           map({ 'o', 'x' }, 'ih', ':<C-U>Gitsigns select_hunk<CR>', { desc = "Select hunk" })