GFX control, no-tokio, no-async, dbus client refactor

- Working gfx modes <iGPU only, dGPU only, or hybrid>
- Add signal for gfx vendor change and make CLI wait for signal
- Add polling for led brightness to save to config
- Move daemon to zbus crate
- dbus client refactor
- Further dbus methods and updates
- Add basic notification user daemon and systemd service

asus-nb/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "asus-nb"
-version = "1.1.0"
+version = "2.0.0"
 license = "MPL-2.0"
 readme = "README.md"
 authors = ["Luke <luke@ljones.dev>"]
@@ -17,6 +17,9 @@ serde_derive = "^1.0"
 serde_json = "^1.0"
 yansi-term = "^0.1"
 rog_fan_curve = { version = "0.1", features = ["serde"] }
+zbus = "1.1.1"
+zvariant = "2.2.0"
+ctrl-gfx = { path = "../ctrl-gfx" } 
 
 [dev-dependencies]
 tinybmp = "^0.2.3"