Made the impl_device macro more explicit about the implemented traits

This also converts impl_device into a procedural macro and get rid of a
lot of "magic" that was happening.

automation_devices/src/contact_sensor.rs

@@ -10,7 +10,7 @@ use automation_lib::event::{OnMqtt, OnPresence};
 use automation_lib::messages::{ContactMessage, PresenceMessage};
 use automation_lib::mqtt::WrappedAsyncClient;
 use automation_lib::presence::DEFAULT_PRESENCE;
-use automation_macro::LuaDeviceConfig;
+use automation_macro::{LuaDeviceConfig, impl_device};
 use google_home::device;
 use google_home::errors::{DeviceError, ErrorCode};
 use google_home::traits::OpenClose;
@@ -66,6 +66,7 @@ pub struct ContactSensor {
     config: Config,
     state: Arc<RwLock<State>>,
 }
+impl_device!(ContactSensor);
 
 impl ContactSensor {
     async fn state(&self) -> RwLockReadGuard<'_, State> {