chore: add Makefile and Debian packaging

packaging/systemd/ezcoo-usb-control.service

@@ -0,0 +1,26 @@
+[Unit]
+Description=EZCOO HDMI Matrix MQTT bridge
+After=network-online.target
+Wants=network-online.target
+
+[Service]
+Type=simple
+ExecStart=/usr/bin/ezcoo-usb-control --config /etc/ezcoo-usb-control/config.yaml
+Restart=on-failure
+RestartSec=5
+User=ezcoo
+SupplementaryGroups=dialout
+
+# Allow reading an optional environment file for secrets.
+# EnvironmentFile=-/etc/ezcoo-usb-control/env
+
+# Hardening
+NoNewPrivileges=true
+ProtectSystem=strict
+ProtectHome=true
+PrivateTmp=true
+DeviceAllow=char-ttyUSB rw
+DeviceAllow=char-ttyACM rw
+
+[Install]
+WantedBy=multi-user.target