nvim-config/after/plugin/neogit.lua

local installed, neogit = pcall(require, "neogit")
if installed then
  neogit.setup({
    integrations = {
      diffview = true,
    },
  })

  vim.api.nvim_set_keymap(
    "n",
    "<leader>ng",
    [[<cmd>lua require('neogit').open({ kind = "split" })<cr>]],
    { noremap = true, silent = true }
  )
end