feat: add memory limits to Docker services in various configurations

config/ansible/tasks/servers/services/beszel/docker-compose.yml.j2

@@ -10,6 +10,10 @@ services:
     networks:
       - beszel-net
       - caddy_network
+    deploy:
+      resources:
+        limits:
+          memory: 256M
 
   beszel-agent:
     image: henrygd/beszel-agent:latest
@@ -21,6 +25,10 @@ services:
     environment:
       LISTEN: /beszel_socket/beszel.sock
       KEY: 'ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKkSIQDh1vS8lG+2Uw/9dK1eOgCHVCgQfP+Bfk4XPkdn'
+    deploy:
+      resources:
+        limits:
+          memory: 128M
 
 networks:
   beszel-net: