fix(docker-compose): ensure restart policy is correctly set

* Added the `restart: unless-stopped` policy back to the `linuxgsm` service.
* This change ensures that the service will restart automatically unless stopped manually.

Author: dgibbs64

docker-compose.yml

@@ -5,9 +5,9 @@ services:
       context: .
       dockerfile: dockerfiles/Dockerfile-cs2
     container_name: cs2server
-    restart: unless-stopped
     ports:
       - "27015:27015/tcp"
       - "27015:27015/udp"
       - "27020:27020/udp"
       - "27005:27005/udp"
+    restart: unless-stopped