0.1.0 fixes

README.md

@@ -69,6 +69,16 @@ with `make daemon`. The GUI has its icons (`assets/icon.png`, `assets/icon.svg`)
 compiled in (`data/icons.gresource.xml` → generated `build/gresources.c`), so the
 window icon works without an installed `assets/` directory.
 
+A `.deb` package can be built with
+
+```bash
+make deb
+```
+
+which produces `gkeymapper_<version>_<arch>.deb`. Installing it runs
+`systemctl --user daemon-reload` and `systemctl --user enable --now gkeymapper-daemon`
+for the installing user.
+
 ## Rebuild translations
 
 ```bash
@@ -296,6 +306,20 @@ so that a `command` action inherits `DISPLAY`/`WAYLAND_DISPLAY`. The unit does
 not run as root. `make install` reloads the udev rules for you; on a fresh
 machine replug the keyboard (or reboot) once so the ACL applies.
 
+## After installation
+
+If the daemon is not running (the GUI footer says "Daemon: not reachable"):
+
+```bash
+systemctl --user daemon-reload
+systemctl --user enable --now gkeymapper-daemon
+```
+
+The daemon needs the user's session for `/dev/uinput` and for the `DISPLAY` a
+`command` action inherits, so it runs as a **user** service, not a system
+service. If the commands above fail, check that your user session has systemd
+running (`systemctl --user status`).
+
 ## Clean
 
 ```bash