feat!: Improve device type registration

Instead of one function that contains all the device types available in
`automation_devices` a global registry is used were each device can
register itself.

automation_devices/src/ikea_remote.rs

@@ -33,6 +33,7 @@ pub struct Config {
 pub struct IkeaRemote {
     config: Config,
 }
+crate::register_device!(IkeaRemote);
 
 impl Device for IkeaRemote {
     fn get_id(&self) -> String {