user/base: remove bat

fix indentation

remove nh

nix: pin nixpkgs on nixos/nix-darwin

update flake inputs

user-interface: remove inter fonts

update flake inputs

update private submodule

linde: fix typo in autoUpgrade settings

Update searchix input

linde: fix rdiff-backup error handling

the `remove increments` subcommand often emits warnings and returns a
non-zero error code, which is ignored by the `-` prefix of the
command (see systemd.service(5))

linde: remove recursive/blocking DNS setup

darwin: use emacs package from overlay

update private submodule

update local project compile-command

dev/web: don't install vercel by default

update searchix flake input

linde: refactor net setup

linde: handle errors with custom response

linde: remove zsh