Add systemd sample configs and docs

README.md

@@ -20,6 +20,7 @@ The binaries for the bundle, bundled DEB and ActivityWatch watchers replacement
 - Remove `aw-watcher-window` and `aw-watcher-afk` from autostart at `aw-qt/aw-qt.toml` in [config directory](https://docs.activitywatch.net/en/latest/directories.html#config),
   add `aw-awatcher`.
 - Restart ActivityWatch. In the Modules submenu there should be a new checked module **aw-awatcher**. Note that awatcher shows up in the Web UI under Timeline as `aw-watcher-window_$HOSTNAME`.
+- Optionally, you can use systemd instead of ActivityWatch runner. In this case, skip adding `aw-awatcher` to `aw-qt.toml` and install this service [configuration](https://github.com/2e3s/awatcher/blob/main/config/aw-awatcher.service). In this case, ActivityWatch server also must be managed by systemd (as `aw-server.service` in the config).
 
 ### Bundle with built-in ActivityWatch
 
@@ -35,6 +36,7 @@ They are controled from the tray, no additional configuration is necessary.
 
 It is recommended to use `~/.config/autostart` for the bundle. This folder is employed by "Autostart" in KDE settings and Gnome Tweaks.
 Systemd may require to sleep for a few seconds (`ExecStartPre=/bin/sleep 5`) in order to wait for the environment.
+See this service [configuration](https://github.com/2e3s/awatcher/blob/main/config/awatcher.service).
 
 ## Supported environments
 

config/aw-awatcher.service

@@ -14,4 +14,4 @@ After=aw-server.service graphical-session.target
 Requires=aw-server.service
 
 [Install]
-WantedBy=graphical-session.target
+WantedBy=graphical-session.target

config/awatcher.service

@@ -0,0 +1,16 @@
+[Service]
+Type=simple
+TimeoutStartSec=120
+ExecStartPre=/bin/sleep 5
+ExecStart=awatcher
+Restart=always
+RestartSec=5
+RestartSteps=2
+RestartMaxDelaySec=15
+
+[Unit]
+Description=AWatcher
+After=graphical-session.target
+
+[Install]
+WantedBy=graphical-session.target