update readme

README.md

@@ -1,4 +1,6 @@
-Steam game automation, by detecting and running specific Steam games, allows you to appear as if you are unemployed, rarely touching the grass, or perhaps looking busy. Without having to worry about automatically logging out on your current device.
+# Autorun Steam Game
+
+Steam game automation, by detecting and running specific Steam games, allows you to appear as if you are unemployed, rarely touching the grass, or perhaps looking busy. Without having the worry of running the game and restarting Steam manually.
 
 Required `.env` variables:
 
@@ -12,5 +14,33 @@ Launch it
 
 ```shell
 chmod +x ./launch.sh
-./launch.sh 30 # in minutes
+./launch.sh 20 # repeating timer in minutes
+```
+
+## Run after boot
+
+To ensure that the game runs after the system boots up, create a new systemd user service e.g. `~/.config/systemd/user/autorun-steam.service`
+
+```ini
+[Unit]
+Description=Auto run steam game
+After=graphical-session.target
+
+[Service]
+Type=simple
+WorkingDirectory=/<ur-working-dir>/autorun-steam-game
+EnvironmentFile=/<ur-working-dir>/autorun-steam-game/.env
+ExecStart=/<ur-working-dir>/autorun-steam-game/launch.sh 20
+Restart=on-failure
+RestartSec=5
+
+[Install]
+WantedBy=default.target
+```
+
+Reload systemd and enable service
+
+```shell
+systemctl --user daemon-reload
+systemctl --user enable --now autorun-steam.service
 ```