ags: NixOS compatibility; Partially migrate to new AgsStack syntax

.config/ags/scripts/sway/swayToRelativeWs.sh

@@ -1,4 +1,11 @@
-#!/bin/bash
+#!/usr/bin/env bash
+
+# Check if sway is running
+if ! pgrep -x sway > /dev/null; then
+  echo "Sway is not running"
+  exit 1
+fi
+
 
 # Get the current workspace number
 current=$(swaymsg -t get_workspaces | gojq '.[] | select(.focused==true) | .num')
@@ -20,4 +27,4 @@ if [[ $2 == 'move' ]]; then
   swaymsg move container to workspace $new_workspace
 else 
   swaymsg workspace $new_workspace
-fi
+fi