Massive refactor of led control

- Write brightness to kernel LED class path

Closes #63, #53

daemon/src/lib.rs

@@ -1,6 +1,7 @@
 #![deny(unused_must_use)]
 /// Configuration loading, saving
 pub mod config;
+pub mod config_aura;
 pub(crate) mod config_old;
 /// Control of AniMe matrix display
 pub mod ctrl_anime;