Syncthing systemd service with NICE level

#Syncthing systemd service file for OSMC
#Path should be /lib/systemd/system/syncthing.service

[Unit]
Description=Syncthing - OSMC
Documentation=http://docs.syncthing.net/
After=network.target
[email protected]

[Service]
User=osmc
Nice=7
Environment=STNORESTART=yes
ExecStart=/usr/bin/syncthing -no-browser -logflags=0
Restart=on-failure
SuccessExitStatus=2 3 4
RestartForceExitStatus=3 4

[Install]
WantedBy=multi-user.target