broke out scripts folder

scripts/link-nix.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+set -e
+
+if [ "$#" -eq 0 ]; then
+echo "Error: No arguments provided."
+echo "Usage: $0 <path>"
+exit 1
+fi
+
+CURRENT=$(readlink -f /etc/nixos)
+sudo rm /etc/nixos
+echo "Unlinked $CURRENT"
+
+sudo ln -s $1 /etc/nixos
+echo "Linked   $(readlink -f /etc/nixos)"