Added NixOS and Guix support in my scripts. Updated README

zstow

@@ -1,5 +1,6 @@
-#!/bin/bash
+#!/usr/bin/env bash
 # Had to make this because i couldn't figure out how ".stow-local-igmore" works smh
+
 if  [ "${1,,}" == "update" ]; then
 		stow -v -R */
 else