fix(varaverk): move varaverk.plg to /boot/config/plugins/ root (matches all other plugins)

Plugin/usr/local/emhttp/plugins/varaverk/event/disks_mounted/rebuild_cron

@@ -1,7 +1,7 @@
 #!/bin/bash
 # Register plugin with Unraid's cron system and rebuild cron entries after every boot.
 # /var/log/plugins/ and /etc/cron.d/ are RAM-based and wiped on reboot.
-cp /boot/config/plugins/varaverk/varaverk.plg /var/log/plugins/varaverk.plg 2>/dev/null
+cp /boot/config/plugins/varaverk.plg /var/log/plugins/varaverk.plg 2>/dev/null
 php -r "
 require_once '/usr/local/emhttp/plugins/varaverk/include/scheduler.php';
 \$schedule = vv_schedule_load();