chore(backend): updated torguard affiliate code

docs/Misc/How-to-setup-Torguard-for-port-forwarding.md

@@ -5,9 +5,7 @@
 
     If you want to support me, please use the following [referral link](https://torguard.net/aff.php?aff=5575){:target="_blank" rel="noopener noreferrer"} and use one of the following codes:
 
-    * `TGLIFE`: Get 50% Off for Life for Anonymous Proxy, Anonymous VPN, Anonymous Webmail.
-    * `TGLIFE-STREAMING`: Get 50% Off for Life Anonymous Proxy, Anonymous VPN, Streaming Bundle.
-    * `TGLIFE-PRO`: Get 50% Off for Life for Anonymous VPN, Streaming Bundle, Anonymous VPN Pro.
+    * `TRaSH-Guides-2023`: 50% Off ALL Plans (Anonymous VPN, Anonymous VPN Pro, Anonymous VPN Premium)
 
     [![torguard-FreeTrial-270x90](images/torguard/torguard-FreeTrial-728x90.gif)](https://torguard.net/aff.php?aff=5575){:target="_blank" rel="noopener noreferrer"}