How to use native plugins (undotree or diffview)

[noisesfromspace]

Hey there,

With the newest neovim release it's possible to use 'built-in' UndoTree features: https://neovim.io/doc/user/plugins/#package-undotree

The instructions are:

vim.cmd("packadd nvim.undotree")

How would I do this with nixvim? I understand I could just use the full externally managed undotree plugin but I rather get used to what comes native