feat(config)!: Config now returns the mqtt config instead of the client

Instead the client is now created on the rust side based on the config.
Devices that require the mqtt client will now instead need to be
constructor using a function. This function receives the mqtt client.

automation_lib/Cargo.toml

@@ -4,6 +4,7 @@ version = "0.1.0"
 edition = "2024"
 
 [dependencies]
+automation_macro = { workspace = true }
 async-trait = { workspace = true }
 automation_cast = { workspace = true }
 bytes = { workspace = true }