update readme

README.md

@@ -2,8 +2,12 @@
 
 ```
 .
-├── wluma
-└── wluma.service
+├── 90-wluma-backlight.rules (/etc/udev/rules.d/)
+├── config.toml (/usr/share/wluma/examples/)
+├── README.md (/usr/share/doc/wluma/)
+├── wluma (/usr/bin/)
+├── wluma.7.gz (/usr/share/man/man7/)
+└── wluma.service (/usr/lib/systemd/user/)
 ```
 
 ---
@@ -11,6 +15,7 @@
 Install deps:
 
 - v4l-utils
+- dbus (recommended)
 
 Build deps: