Add the missing fish shell part into the documentation for ATUIN_NOBIND. Binding to up is pretty problematic in fish, as if you want to navigate the pager for auto-suggestions, you tend to get a bit stuck.
* Add ATUIN_NOBIND * Update docs/key-binding.md `<kbd>`, what magic Co-authored-by: bl-ue <54780737+bl-ue@users.noreply.github.com> Co-authored-by: bl-ue <54780737+bl-ue@users.noreply.github.com>
