feat: deal with gbk encoding

Author: setarcos

init.lua

@@ -166,6 +166,7 @@ vim.o.scrolloff = 10
 -- See `:help 'confirm'`
 vim.o.confirm = true
 
+vim.opt.fileencodings = 'utf-8,gbk'
 -- [[ Basic Keymaps ]]
 --  See `:help vim.keymap.set()`