kickstart.nvim/lua/plugins/copilot-chat.lua

return {
  'CopilotC-Nvim/CopilotChat.nvim',
  dependencies = {
    'github/copilot.vim',
    'nvim-lua/plenary.nvim',
  },
  opts = {
    window = {
      layout = 'vertical',
    },
  },
}