feat(sydnix-cli): Remote rebuild

holy hell this script is way too complicated.  why the fuck did i write all of
that asciidoc bullshit??  TODO: turn it into a plain and simple babashka script
brah TwT.

scripts/sydnix-cli/.envrc

@@ -1,9 +1 @@
-#!/usr/bin/env bash
-# the shebang is ignored, but nice for editors
-
-if type -P lorri &>/dev/null; then
-  eval "$(lorri direnv)"
-else
-  echo 'while direnv evaluated .envrc, could not find the command "lorri" [https://github.com/nix-community/lorri]'
-  use nix
-fi
+use flake