nvim64 v2.1

1. lsp: add pylance lsp config
2. colorscheme: add three mode about syntax highlight
3. toggerterm: enhanced, add a usercmd about controls job and term
4. autocmd: dap: add usercmd about open dap float window, colorscheme:
   add usercmd about syntax mode select
5. keybinding: remove some insert mode keybinding these keybinding will
   casue input latency
6. fix term keybinding: remove some term keybinding and change
   some toggerterm plugs start and open function "lua/plugin-config/toggleterm.lua"
7. add spell check: add spell check for markdown also configure cjk and
   camel