feat: update gitsigns conf

lua/kickstart/plugins/gitsigns.lua

@@ -62,6 +62,12 @@ return {
         -- Toggles
         map('n', '<leader>tb', gitsigns.toggle_current_line_blame, { desc = '[T]oggle git show [b]lame line' })
         map('n', '<leader>tD', gitsigns.preview_hunk_inline, { desc = '[T]oggle git show [D]eleted' })
+
+        vim.api.nvim_create_autocmd('BufWritePost', {
+          callback = function()
+            require('gitsigns').refresh()
+          end,
+        })
       end,
     },
   },