README.md

Before

  Text("Hello")
  Text("world")

After apply <Leader>ai on both line selected by V

👇 cursor here
 _ {
      Text("Hello")
      Text("world")
  }

surround-bracket-of-lines.vim

"----------add { } arround of selected lines, end in insert mode-------------"
xnoremap <leader>ai dO{<CR><Esc>Pk%kddviB>kI <C-o>h
"----------add { } arround of selected lines, end in normal mode-------------"
xnoremap <leader>an dO{<CR><Esc>Pk%kddviB>kI <Esc>h