add chezmoi syntax support

lua/custom/plugins/init.lua

@@ -160,4 +160,13 @@ return {
       })
     end,
   },
+  {
+    'alker0/chezmoi.vim',
+    lazy = false,
+    init = function()
+      -- This option is required.
+      vim.g['chezmoi#use_tmp_buffer'] = true
+      -- add other options here if needed.
+    end,
+  },
 }