Add NETfishing discovery service

deploy/netfishing-discovery.service

@@ -0,0 +1,27 @@
+[Unit]
+Description=NETfishing public room discovery service
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+User=netfishing-discovery
+Group=netfishing-discovery
+WorkingDirectory=/var/www/netfishing.org.discovery
+EnvironmentFile=/etc/netfishing-discovery.env
+ExecStart=/usr/bin/python3 -m netfishing_discovery
+Restart=on-failure
+RestartSec=2
+NoNewPrivileges=true
+PrivateTmp=true
+ProtectSystem=strict
+ProtectHome=true
+ProtectKernelTunables=true
+ProtectKernelModules=true
+ProtectControlGroups=true
+RestrictSUIDSGID=true
+LockPersonality=true
+MemoryDenyWriteExecute=true
+
+[Install]
+WantedBy=multi-user.target